Document:

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                                                                   EXHIBIT 10.23

                         AGREEMENT FOR PURCHASE AND SALE
                             OF RIGHTS FOR PRODUCTS

     This Agreement (this "AGREEMENT") is made effective as of April 29, 2006
(the "EFFECTIVE DATE"), between ANDREW XIAN CHEN ("Seller") and BRIDGETECH
HOLDINGS INTERNATIONAL, INC., a Delaware corporation (together with its
Affiliates, "BRIDGETECH").

                                    RECITALS

     A. Seller has developed the Subject Products (as defined below), and Seller
is the sole owner of all the rights relating to the Subject Products in the
Territory (as defined below), including all related Seller Intellectual Property
(as defined below).

     B. Bridgetech wishes to obtain and purchase from Seller, and Seller is
willing to sell to Bridgetech, all rights to the Subject Products in the
Territory, all on the terms and conditions set forth herein.

     NOW, THEREFORE, in consideration of the premises, the mutual covenants made
herein, and other good and valuable consideration, the receipt and adequacy of
which are hereby acknowledged, the parties hereto agree as follows:

ARTICLE 1. DEFINITIONS

     Capitalized terms used herein and not otherwise defined herein shall have
     the meaning set forth below.

     1.1  "AFFILIATE" shall mean, in respect of any business entity and a
          commercially identifiable line of business, that entity and any
          business entity directly or indirectly controlling, controlled by or
          under common control with that entity. For purposes of this
          definition, "CONTROL" shall mean (a) holding a 20% or greater voting
          interest, or (b) that the affairs of the one entity in carrying on
          such line of business are conducted in accordance with the wishes of
          the other entity as the result of the holding of voting capital stock,
          voting partnership shares or other similar ownership medium or through
          contractual relationships. Each reference to a party herein shall be
          deemed to include such party and its Affiliates.

     1.2  "FDA" shall mean the United States Food and Drug Administration or any
          United States successor agency having the administrative authority to
          regulate the approval for testing or marketing of human
          pharmaceutical, biological, medical or medical device products.

     1.3  "FIRST COMMERCIAL SALE" shall mean the first sale by Bridgetech or its
          Affiliates of a Subject Product to a third party in a bona fide arm's
          length transaction, but shall not include and shall not be construed
          to mean use of a Subject Product by

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          Bridgetech or its Affiliate for its own internal purposes or in
          conjunction with third parties for purposes of evaluating, testing,
          and/or test-marketing such Subject Product.

     1.4  "FORCE MAJEURE" shall have the meaning set forth in Section 10.11
          hereof.

     1.5  "GAAP" shall mean United States generally accepted accounting
          principles.

     1.6  "INTELLECTUAL PROPERTY" shall mean inventions, discoveries, Patents,
          Know-How, trade secrets, copyrights and similar rights of any type
          under the laws of any governmental authority, domestic or foreign,
          including all applications and registrations relating to any of the
          foregoing.

     1.7  "KNOW-HOW" shall mean all knowledge, ideas, inventions, data,
          instructions, tangible or intangible materials, processes, formulas,
          expert opinions and information, including without limitation,
          pharmaceutical, biological, chemical, analytical, clinical,
          manufacturing and quality control data and information, materials,
          methods, processes, techniques, and technical and non-technical data
          and information, and the results of tests, assays, methods and
          processes, and plans, specifications and other documents containing
          said information and data.

     1.8  "NET SALES" shall mean, in relation to any Subject Product and with
          respect to the relevant period, the gross amount invoiced on sales of
          such Subject Product by Bridgetech or its Affiliates in arm's length
          transactions involving such Subject Product, less the following:

          (a)  customary trade, quantity, or cash discounts, and non-affiliated
               brokers' or agents' commissions, to the extent actually allowed
               and taken as a reduction from the amount billed;

          (b)  amounts repaid or credited by reason of rejection or return and
               taken as a reduction of the amount billed;

          (c)  to the extent separately stated on purchase orders, invoices, or
               other documents of sale and included in the gross amount billed,
               any taxes or other governmental charges levied on the production,
               sale, transportation, delivery, or use of a Subject Product which
               is paid by or on behalf of Bridgetech or its Affiliates; and

          (d)  outbound transportation costs prepaid or allowed and costs of
               insurance in transit, but only to the extent separately stated on
               purchase orders, invoices, or other documents of sale and
               included in the gross amount billed.

          In the event of a sale of any Subject Product by Bridgetech to an
          Affiliate of Bridgetech, and the subsequent resale of such Subject
          Product by such Affiliate, Net Sales shall be computed on the basis of
          such subsequent resale.

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          In the event that any Subject Product is sold as a component of
          another product, "NET SALES" shall mean the portion of such other
          product's invoice price that is allocable to the Subject Product based
          on the customary price of the Subject Product when sold separately or,
          in the absence of such customary price, on the ratio of the cost of
          the Subject Product to the total cost of such other product.

     1.9  "SELLER INTELLECTUAL PROPERTY" shall mean all Intellectual Property
          that Seller owns or has the right to license during the term of this
          Agreement applicable to the Subject Products in the Territory.

     1.10 "PATENTS" shall mean (i) all patents applicable in the Territory,
          including without limitation, all substitutions, reissues, renewals,
          reexaminations, patents of addition, and inventor's certificates
          thereof; (ii) all term extensions or other government action which
          provides exclusive rights to an invention beyond the original patent
          expiration date; and (iii) all pending patent applications (including
          provisional applications, divisions, continuations, continued
          prosecutions and continuations-in-part).

     1.11 "REGULATORY AUTHORITY" shall mean the FDA and any similar regulatory
          agency or authority in any country or geographic region in the
          Territory.

     1.12 "SPECIFICATIONS" shall mean all the written specifications, standards,
          analytical methods and criteria for each Subject Product as mutually
          agreed upon by the parties from time to time, and any supplement or
          amendment thereto required by any Regulatory Authority.

     1.13 "TECHNICAL FILE" shall mean all information relating to a Subject
          Product and including the quality specifications and analyses, the
          description of the manufacturing process, the description of the
          production facilities and organization, and the packaging of the
          Subject Product, as mutually agreed upon by the parties from time to
          time, as necessary to support Bridgetech's efforts to receive
          regulatory approval for said Subject Product.

     1.14 "TERRITORY" shall mean the People's Republic of China, Hong Kong,
          Macau, and Taiwan.

     1.15 "SUBJECT PRODUCTS" shall mean the four Subject Products outlined in
          Appendix A.

ARTICLE 2. PURCHASE AND SALE OF RIGHTS TO PRODUCTS

          In consideration of the payments specified in Article 3, Seller hereby
sells and transfers to Bridgetech, and Bridgetech hereby purchases and acquires
from Seller, all of the rights applicable to the Products as follows:

     2.1  LICENSE RIGHTS. Seller grants to Bridgetech the exclusive license
          under the Seller Intellectual Property, to develop, modify, enhance,
          improve, make, have made,

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          use, import, offer for sale, sell, and have sold Subject Products
          solely in the Territory.

     2.2  Commercialization. Seller grants to Bridgetech the exclusive right to
          commercialize, distribute and sell the Subject Products in the
          Territory.

     2.3  No Sublease Rights. Bridgetech is not entitled to grant any
          sublicenses to third parties (other than Affiliates) to practice the
          Seller Intellectual Property. However, Bridgetech is entitled (i) to
          hire contract manufacturers to produce the Subject Products for the
          account of Bridgetech, and (ii) to appoint independent distributors to
          market and sell the Subject Products which are supplied by Bridgetech.

     2.4  Outside Territory. For avoidance of doubt, Bridgetech shall have no
          rights to make, use or sell Subject Products outside the Territory, or
          to sell Subject Products for others to sell or use outside the
          Territory.

ARTICLE 3. PAYMENTS

     3.1  INSTALLMENT PAYMENTS. Bridgetech agrees to pay to Seller the following
          installment purchase payments:

          (a)  An Initial Cash Payment of $500,000 on the Effective Date of this
               Agreement.

          (b)  A payment of $1,000,000, twelve months after the Effective Date
               of this Agreement. This payment can be either $1,000,000 in cash
               or 335,000 shares of Bridgetech common stock, at the sole
               discretion of the Seller.

          (c)  Cash payment of $250,000 within 30 days after first regulatory
               approval for conducting a human clinical trial is obtained in the
               Territory for the first Subject Product, but not later than June
               2007.

          (d)  Cash payment of $250,000 within 30 days after first regulatory
               approval for conducting a human clinical trial is obtained in the
               Territory for the second Subject Product, but not later than
               March 2007.

          (e)  Cash payment of $250,000 within 30 days after first regulatory
               approval for conducting a human clinical trial is obtained in the
               Territory for the third Subject Product, but not later than March
               2008.

          (f)  Cash payment of $250,000 within 30 days after first regulatory
               approval for conducting a human clinical trial is obtained in the
               Territory for the fourth Subject Product, but not later than
               March 2010.

     3.2  ROYALTY. Bridgetech agrees to pay to Seller a royalty equal to four
          percent (4%) of Net Sales of Subject Products sold by Bridgetech or
          its Affiliates.

     3.3  REPORTS.

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          (a)  As of each June 1 and December 1 (commencing with December 2006),
               Bridgetech shall provide to Seller a written report as to the
               status, progress, and plans for completing development of each of
               the four Subject Products, and for becoming ready to file for
               regulatory approval for conducting clinical trials.

          (b)  Once the First Commercial Sale has occurred, Bridgetech shall
               provide to Seller, within 30 days following the end of each
               calendar quarter, reports of all Net Sales of Subject Products,
               together with payment of all royalties due thereon under Section
               3.2, together with all information reasonably necessary to
               support the calculation of such royalties.

          (c)  Seller shall provide Bridgetech with updates on a monthly basis
               as to the completion status of Subject Products 2, 3 and 4.

     3.4  AUDITS. Upon not less than 10 business days written notice from
          Seller, from time to time Bridgetech shall allow Seller or its agent
          to inspect and copy the records and books of account of Bridgetech,
          during reasonable business hours, on reasonable advance notice, but in
          any not more than once per year. In the event of underpayment by
          Bridgetech under Section 3.2, Bridgetech shall promptly pay Seller all
          amounts underpaid, together with interest due on such underpaid
          amounts at an interest rate equal to the then existing prime lending
          rate as published in The Wall Street Journal, or if less, the maximum
          interest rate permitted under applicable law, from the payment due
          date until the actual date of payment. The cost of such audit shall be
          borne by Seller, unless such audit reveals a discrepancy of greater
          than ten percent (10%) of the total amount determined to be actually
          due, in which case Bridgetech shall bear such cost.

     3.5  COMPLETION. Bridgetech will enter into a contract with Seller to
          perform specified research and development work necessary for the
          preparation of the initial regulatory filings in the Territory. The
          second, third and fourth Subject Products shall be made into such a
          state of completion as the first Subject Product was at the Effective
          Date. The total cost to be borne by Bridgetech for this work as
          outlined in Appendix B is not to exceed $150,000.00

     3.6  LATE PAYMENTS. If any required payment is not paid when due, it shall
          bear a late payment interest charge of twelve percent (12%) per annum
          until paid in full.

ARTICLE 4. ANCILLARY AGREEMENTS

     4.1  BRIDGETECH DILIGENCE. Bridgetech shall use commercially reasonable and
          diligent efforts to develop, obtain regulatory approvals for,
          commercialize, market and sell the four Subject Products, in the
          Territory, as soon as is reasonably feasible.

     4.2  RIGHT OF FIRST REFUSAL. If Seller acquires rights to a new oncology
          product, and if Seller decides to sell or license the rights to
          commercialize such new oncology product in the Territory to a third
          party, then Seller will give a written notice to Bridgetech of the
          terms which Seller proposes to accept from a third party (the "Terms
          Notice"). Seller agrees to give Bridgetech a 30-day first right of
          refusal

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          for Bridgetech to purchase rights in the Territory to such new product
          pursuant to the Terms Notice. All rights under this Section 4.2 will
          terminate on the first anniversary of the Effective Date, unless the
          parties mutually agree to a renewal and specified payments from
          Bridgetech for any such renewal. This Article 4 will not be applicable
          if Bridgetech is in default of any of its obligations under this
          Agreement.

     4.3  PATENT MATTERS. The parties acknowledge and agree that Seller shall
          remain as the owner of all of the Seller Intellectual Property
          (including the Patent Rights), and that Bridgetech is acquiring by
          this Agreement an exclusive right to use such Seller Intellectual
          Property for the Subject Products in the Territory. Bridgetech will be
          responsible for prosecuting, maintaining and managing the Patent
          Rights in the Territory, in consultation with Seller and Seller's
          selected patent agent. Bridgetech will give due consideration to any
          requests or recommendations from Seller concerning the Patent Rights.
          Bridgetech will keep Seller informed of all material matters
          concerning the prosecution and maintenance of the Patent Rights in the
          Territory. Bridgetech will pay all expenses incurred after the
          Effective Date for the prosecution and maintenance of the Patent
          Rights in the Territory, such as patent attorneys' fees, and fees
          payable to governmental patent agencies.

     4.4  REGISTRATION. If any country in the Territory requires that this
          Agreement be registered, Bridgetech shall be responsible for affecting
          such registration.

     4.5  To the extent that Seller received any FDA documentation applicable to
          the Subject Products (such as applications, clinical trial protocols,
          and outcomes), subject to satisfying any confidentiality obligations
          applicable to such documentation, Seller will furnish copies of such
          documentation to Bridgetech, for Bridgetech to use to support its
          regulatory filings in the Territory.

ARTICLE 5. REGULATORY MATTERS

     5.1  REGULATORY APPROVALS. Bridgetech shall be responsible for obtaining,
          at its expense, such approvals from Regulatory Authorities as
          Bridgetech deems necessary or advisable for the manufacture, use and
          sale of Subject Products that Bridgetech desires to make, have made,
          use, import, offer for sale, sell, or have sold in the Territory.
          Seller agrees that each Technical File may be used by Bridgetech and
          its customers for filings with all Regulatory Authorities.

     5.2  RECORDS. Bridgetech shall maintain, and shall cause its Affiliates,
          contract manufacturers and other agents to maintain, all records
          necessary to comply with all applicable laws relating to the
          manufacture, filling, packaging, storage and shipment of Subject
          Products. Bridgetech shall keep and maintain complete and accurate
          records and books of account in sufficient detail and form so as to
          enable verification of prices or royalties or other amounts due
          pursuant to this Agreement, including Bridgetech's Net Sales.
          Bridgetech shall maintain such records and books of account for the
          period required by applicable laws, but in

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          any event for a period of at least three years following the year to
          which the records pertain.

     5.3  ADVERSE EVENT REPORTING. During the term of this Agreement and for one
          year thereafter (or as required by applicable laws), each party shall
          (i) provide prompt written notice to the other party of information in
          or coming into its possession or control concerning side effects,
          injury, toxicity or sensitivity reaction ("Adverse Events") associated
          with uses, studies, investigations or tests of any Subject Product,
          whether or not determined to be attributable to such Subject Product,
          (ii) notify the other party's responsible drug safety department by
          telephone and facsimile within 72 hours after such party first becomes
          aware of any Adverse Event that gives cause for concern or is
          unexpected or that is fatal, life-threatening (as it occurred),
          permanently disabling, requires (or prolongs) inpatient
          hospitalization, represents a significant hazard, or is a cancer or a
          congenital anomaly or represents an overdose, or any other
          circumstance that might necessitate a recall, expedited notification
          of the FDA or any other relevant Regulatory Authorities or a
          significant change in the label of such Subject Product.

     5.4  CUSTOMER COMPLAINTS. Bridgetech shall maintain customer complaint
          files. Each party will cooperate reasonably with the other parties in
          connection with a party's investigation of an Adverse Event.

     5.5  MATERIAL COMMUNICATIONS; GOVERNMENT INSPECTIONS. Each party shall
          provide the other party, within 30 days of receipt, of copies of all
          communications to or from any Regulatory Authority regarding any
          Subject Product or the facilities, procedures or processes used in
          connection with such Subject Product (including without limitation
          Adverse Event reports, 483's and safety reports). The foregoing
          notification obligation shall be 24 hours, if a Regulatory Authority
          is commencing or threatening seizure of such Subject Product. Each
          party shall have the right to consult with the other party on such
          other party's responses to a Regulatory Authority.

     5.6  NOTIFICATIONS AND RECALL. Each party shall notify the other parties as
          soon as possible of any recall known to such party, threatened or
          pending, of any Subject Product.

ARTICLE 6. CONFIDENTIAL INFORMATION

     6.1  CONFIDENTIALITY. Except as otherwise provided in this Agreement, the
          parties agree that, for the term of this Agreement and for five years
          thereafter, all non-public, proprietary or confidential disclosures,
          of any nature whatsoever, (collectively, "Confidential Information"),
          disclosed or submitted, either orally or in writing (including without
          limitation by electronic means) or through observation, by one party
          (the "Disclosing Party") to the other party (the "Receiving Party")
          hereunder shall be received and maintained by the Receiving Party in
          strict confidence, shall not be used for any purpose other than the

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          purposes expressly permitted by this Agreement and shall not be
          disclosed to any third party other than the Receiving Party's
          directors, officers, employees, agents, consultants and
          representatives that have a need to know such Confidential Information
          to achieve the purposes of this Agreement, provided that such party
          shall ensure that it and its recipients to whom disclosure is to be
          made are bound by, and take commercially reasonable efforts to ensure
          compliance with, the confidentiality terms hereof. Each party will
          promptly notify the other upon discovery of any unauthorized use or
          disclosure of the Confidential Information. Confidential Information
          belongs to and shall remain the property of the Disclosing Party.

     6.2  EXCEPTIONS. The obligations of confidentiality set forth in Section
          6.1 shall not apply to Confidential Information which the Receiving
          Party can prove by documentary evidence:

          (a)  was already in is possession and at its free disposal before the
               disclosure to it hereunder; or

          (b)  is subsequently disclosed to the Receiving Party by a third party
               not under any obligations of confidentiality to the Disclosing
               Party; or

          (c)  is or becomes generally available to the public through no
               fault of the Receiving Party; or

          (d)  is independently developed by the Receiving Party without the use
               of any other Confidential Information of the Disclosing Party; or

          (e)  is required by law to be disclosed by the Receiving Party,
               subject to Section 6.3 below.

     6.3  AUTHORIZED DISCLOSURE. Each party may disclose Confidential
          Information hereunder solely to the extent such disclosure is
          reasonably necessary in connection with submissions to any
          governmental authority in connection with this Agreement or in filing
          or prosecuting regulatory applications contemplated under this
          Agreement, prosecuting or defending litigation, complying with
          applicable laws or for the purposes expressly permitted by this
          Agreement; provided that in the event of any such disclosure of the
          Disclosing Party's Confidential Information by the Receiving Party,
          the Receiving Party will, except where impracticable, give reasonable
          advance notice to the Disclosing Party of such disclosure requirement
          so that the Disclosing Party may seek a protective order and or other
          appropriate remedy or waive compliance with the confidentiality
          provisions of this Article 6, and will use its commercially reasonable
          efforts to secure confidential treatment of such Confidential
          Information required to be disclosed.

     6.4  RETURN OF CONFIDENTIAL INFORMATION. The Receiving Party shall keep
          Confidential Information belonging to the Disclosing Party in
          appropriately secure locations. Upon the expiration or termination of
          this Agreement, any and

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          all Confidential Information possessed in tangible form by a Receiving
          Party and belonging to the Disclosing Party, shall, upon written
          request, be immediately returned to the Disclosing Party (or destroyed
          if so requested) and not retained by the Receiving Party; provided
          however that a party may retain one copy of any Confidential
          Information in an appropriately secure location, which by applicable
          laws it must retain, for so long as such applicable laws require such
          retention but thereafter shall dispose of such retained Confidential
          Information in accordance with applicable laws or this Section.

ARTICLE 7. TERM AND TERMINATION

     7.1  TERM. This Agreement shall become effective upon the Effective Date
          and shall continue in effect for the longer of (i) the life of the
          last to expire of the patents included in the Seller Intellectual
          Property, and (ii) a period of ten years; unless this Agreement is
          terminated earlier in accordance with the terms and conditions of this
          Article.

     7.2  TERMINATION FOR MATERIAL BREACH.

          (a)  In the event that any party hereto shall commit any breach of or
               default in any of the material terms or conditions of the
               Agreement, and also shall fail to remedy such default or breach
               within 60 days after receipt of written notice thereof from
               another party hereto, the party giving notice may, at its option
               and in addition to any other remedies which it may have at law or
               in equity, terminate this Agreement by sending notice of
               termination in writing to the other parties, and such termination
               shall be effective as of the date of the receipt of such notice.

          (b)  If Bridgetech fails to pay the first $1,750,000 sums payable
               under Section 3.1(a), (b) and (c), and said failure is not cured
               within 60 days after receipt of a notice of default, Seller may
               terminate all of Bridgetech's rights under this Agreement for all
               of the Subject Products.

          (c)  If Bridgetech does timely pay the first $1,750,000 sums payable
               under Section 3.1(a), (b) and (c), but Bridgetech thereafter
               defaults in any subsequent installment payment obligation under
               Section 3.1(d), (e) or (f), then Seller may terminate the rights
               of Bridgetech only as to the particular Subject Product for which
               the default occurred and for all subsequent Subject Products
               (e.g., the second, third or fourth Subject Product).

          (d)  Upon any termination of this Agreement as to only particular
               Subject Products, all rights to such particular Subject Products
               shall revert to Seller.

     7.3  RIGHTS ON TERMINATION.

          (a)  In the event that Seller or Bridgetech terminates this Agreement
               as permitted by this Agreement, all rights granted and sold by
               Seller to Bridgetech hereunder shall revert to Seller; and
               Bridgetech and its Affiliates shall cease to make and sell any of
               the Subject Products.

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          (b)  Except as otherwise provided in this Agreement, in the event of
               termination (i) Bridgetech shall surrender to Seller, or, at the
               sole option of Seller, shall destroy and provide Seller with a
               certificate signed by a responsible executive of Bridgetech
               attesting to the destruction of, all copies of any Confidential
               Information provided by Seller hereunder; and (ii) Seller shall
               surrender to Bridgetech, or, at the sole option of Bridgetech,
               Seller shall destroy and provide Bridgetech with a certificate
               signed by a responsible executive of Seller attesting to the
               destruction of, all copies of any Confidential Information
               provided by Bridgetech hereunder.

          (c)  Termination or expiration of this Agreement shall be without
               prejudice to any right which shall have accrued to the benefit of
               any party prior to such termination or expiration. Such
               termination or expiration shall not relieve any party from
               obligations which are expressly indicated to survive termination
               or expiration of this Agreement.

     7.4  SURVIVAL. In addition to those Articles or Sections which expressly
          survive throughout the term of this Agreement, the following Articles
          and Sections of this Agreement shall survive termination or expiration
          of this Agreement: Articles 1, 6, 8, 9 and 10 and Sections 7.3 and
          7.4.

ARTICLE 8. REPRESENTATIONS, WARRANTIES, DISCLAIMERS AND INDEMNITY

     8.1  ALL PARTIES. Each party represents and warrants to the other that it
          has, and shall have, the full legal right and authority to enter into
          this Agreement, and to perform its obligations hereunder, including
          with respect to Seller, to grant the rights and licenses to Bridgetech
          contemplated hereunder.

     8.2  GENERAL DISCLAIMER. EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT,
          THE PARTIES MAKE NO REPRESENTATIONS OR WARRANTIES OF ANY KIND
          WHATSOEVER, EITHER EXPRESS OR IMPLIED, WRITTEN OR ORAL, INCLUDING
          WITHOUT LIMITATION ANY IMPLIED WARRANTY RELATING TO MERCHANTABILITY,
          REGULATORY STATUS, EFFICACY CLAIMS, OR FITNESS FOR A PARTICULAR
          PURPOSE.

     8.3  DISCLAIMER REGARDING PATENT RIGHTS. Seller does not represent or
          warrant that any particular patent claims will ultimately be issued
          for any of the pending patent applications, or that any issued patents
          will be valid and enforceable.

     8.4  SELLER RIGHTS. Seller is the sole owner of all rights relating to the
          Subject Properties in the Territory.

     8.5  Seller makes no representations whatsoever with regard to the scope of
          the Seller Intellectual Property, or that the Subject Products can be
          developed and sold without infringing other patents.

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     8.6  PRODUCT EFFICACIES AND APPROVAL. Seller does not represent or warrant
          that any of the Subject Products will in fact be able to be developed
          into (i) commercially viable products, (ii) efficacious products, or
          (iii) approvable products.

     8.7  LIMITATIONS OF LIABILITY; REMEDIES CUMULATIVE.

          (a)  EXCEPT FOR ANY CLAIMS RELATED TO ONE PARTY'S INFRINGEMENT OF
               ANOTHER PARTY'S INTELLECTUAL PROPERTY OR BREACH BY A PARTY OF ITS
               CONFIDENTIALITY OBLIGATIONS HEREUNDER, UNDER NO CIRCUMSTANCES
               SHALL A PARTY HEREOF BE LIABLE TO THE OTHER PARTY HEREOF FOR
               CONSEQUENTIAL, INDIRECT, INCIDENTAL, PUNITIVE OR SPECIAL DAMAGES.

          (b)  UNDER NO CIRCUMSTANCE WILL SELLER HAVE ANY POTENTIAL LIABILITY IN
               THE AGGREGATE IN EXCESS OF THE PAYMENTS ACTUALLY RECEIVED BY
               SELLER UNDER THIS AGREEMENT.

          (c)  THE REMEDIES PROVIDED IN THIS AGREEMENT ARE CUMULATIVE AND NOT
               EXCLUSIVE OR IN LIMITATION OF ANY OTHER REMEDY AVAILABLE AT LAW
               OR IN EQUITY. ACCORDINGLY, UNLESS OTHERWISE EXPRESSLY PROVIDED IN
               THIS AGREEMENT A REMEDY PROVIDED AS AVAILABLE TO ANY PARTY IS NOT
               INTENDED AS AN EXCLUSIVE REMEDY.

     8.8  INDEMNITY

          (a)  Seller hereby agrees to save, defend, and hold Bridgetech, its
               Affiliates and their respective officers, directors, employees,
               agents and representatives (the "BRIDGETECH INDEMNIFIED Parties")
               harmless from and against any and all losses, damages,
               liabilities, obligations, costs and expenses (including
               reasonable attorneys' fees and expenses that arise in connection
               therewith) ("LOSSES") resulting from or arising out of: (a) the
               negligence or willful misconduct of Seller or its Affiliates, and
               their respective directors, officers, agents, employees, or
               representatives, or (b) the material breach by Seller of any
               provision of this Agreement.

          (b)  Bridgetech hereby agrees to save, defend, and hold Seller
               harmless from and against any and all losses, damages,
               liabilities, obligations, costs and expenses (including
               reasonable attorneys' fees and expenses that arise in connection
               therewith) ("Losses") resulting from or arising out of: (a) the
               gross negligence or willful misconduct of Bridgetech, or (b) the
               material breach by Bridgetech of any provision of this Agreement,
               or (c) product liability claims for products produced by
               Bridgtech or its Affiliates or contractors.

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ARTICLE 9. GOVERNING LAW; DISPUTE RESOLUTION

     9.1  GOVERNING LAW. This Agreement shall be governed by, and construed and
          interpreted in accordance with, the laws of the State of Delaware,
          without regard for conflicts of laws principles.

     9.2  DISPUTE RESOLUTION. In the event of any dispute arising under this
          Agreement, or any breach of any of this Agreement, the parties shall
          refer such dispute to its respective authorized representatives for
          attempted resolution by good faith negotiations within 30 days after
          such referral is made. In the event such authorized representatives
          are unable to resolve such dispute within such 30-day period, either
          party may assert its rights in a court of law.

ARTICLE 10. GENERAL PROVISIONS

     10.1 INDEPENDENT CONTRACTORS. The parties are independent contractors and
          no party shall be deemed to be, nor entitled to the benefits of, an
          employee, joint venturer, or partner of any other party. No party is
          authorized or empowered to act as agent for, or to direct or control
          the day-to-day activities of any other party for any purpose and shall
          not on behalf of any other party enter into any contract, warranty, or
          representation as to any matter.

     10.2 NO PERSONAL LIABILITY. Each action or claim against any party arising
          under or relating to this Agreement shall be made only against such
          party as a corporation and any liability relating thereto shall be
          enforceable only against the assets of such party. No party shall seek
          to pierce the corporate veil or otherwise seek to impose any liability
          relating to, or arising from, this Agreement against any shareholder,
          employee, officer, director, trustee or manager of another party. Each
          of such persons is an intended beneficiary of the mutual promises set
          forth in this Section and shall be entitled to enforce the provisions
          of this Section.

     10.3 NO THIRD PARTY BENEFICIARIES. It is the explicit intention of the
          parties hereto that, except as expressly provided herein, no person or
          entity other than the parties hereto is or shall be entitled to bring
          any action to enforce any provision of this Agreement against any of
          the parties hereto, and that covenants, undertakings, and agreements
          set forth in this Agreement shall be enforceable only by the parties
          hereto or their respective successors or permitted assigns.

     10.4 ASSIGNMENT. No party may assign this Agreement without the prior
          written consent of the other parties hereto, except that any party may
          assign this Agreement to the purchaser of all or part of the business
          or operations conducted by such party related to this Agreement;
          provided that no such assignment shall relieve the assignor as the
          primary obligor hereunder. This Agreement shall be binding upon and
          inure to the benefit of the successors and assigns of the parties. Any
          assignment not in accordance with this Agreement shall be void.

     10.5 MODIFICATION; WAIVER. This Agreement may not be modified or amended
          except by a document signed by all parties hereto. No failure of
          either party to exercise

                                       12

<PAGE>

          and no delay in exercising any right or remedy in connection with this
          Agreement will operate as a waiver thereof, nor will any single or
          partial exercise of any right preclude any other or further exercise
          of such right or the exercise of any other right hereunder.

     10.6 NOTICES. All notices must be in writing. Communications regarding this
          Agreement shall be between the individuals identified below, who will
          act on behalf of the parties respectively. Either party may
          re-designate the recipient of communications and correspondence, or
          change the address specified below, at any time during the term of
          this Agreement by providing the other party with written notice of the
          name and address of its new designate.

          If to Seller:      Andrew X. Chen, Ph.D.
                             4646 Bryson Ter
                             San Diego, CA 92130

          If to Bridgetech:  Bridgetech Holdings International, Inc.
                             402 W. Broadway, 26th Floor
                             San Diego, CA 92101
                             Attention: Thomas C. Kuhn III

          The date of receipt of any notice given under this Agreement shall be
          deemed to be (i) the date given if delivered personally (ii) seven
          days after the date mailed if mailed by registered or certified mail
          return receipt requested, postage prepaid, and (iii) two days after
          the date sent if sent by nationally recognized commercial courier, and
          addressed to the party to receive such notice.

     10.7 SEVERABILITY. If any term or provision of this Agreement is or becomes
          invalid or held illegal or unenforceable by a court of competent
          jurisdiction, then (i) it is the intention of the parties that the
          remaining terms or provisions of this Agreement shall not be affected
          thereby and shall be enforced to the fullest extent permitted by law,
          and (ii) the parties shall renegotiate in good faith such invalid,
          illegal or unenforceable term or provision in order to provide a
          reasonably acceptable alternative whose effect on economic and
          business objectives shall be as similar as possible to the effect
          intended by the parties under the original invalid, illegal or
          unenforceable term or provision, it being the intent of the parties
          that the basic purposes of this Agreement are to be effectuated.

     10.8 ENTIRE AGREEMENT. This Agreement constitutes the entire understanding
          of the parties with respect to the subject matter hereof. As of the
          Effective Date, there are no covenants, promises, agreements,
          warranties, representations, conditions or understandings, either oral
          or written, between the parties other than as set forth herein. No
          subsequent alteration, amendment, change or addition to this Agreement
          shall be binding upon the parties hereto unless reduced to writing and
          signed by the respective authorized officers of the parties. The
          headings are for the convenience of the parties and have no legal or
          interpretive significance whatsoever.

                                       13

<PAGE>

     10.9 FORCE MAJEURE. No party shall be liable to the other party for damages
          or loss resulting from the failure of performance by such party if
          such failure results from earthquake, war, acts of terrorism, fire,
          explosion, flood, strike or any other cause beyond the control of the
          defaulting party ("Force Majeure"), provided that the party claiming
          Force Majeure exerts all commercially reasonable efforts to avoid or
          remedy such Force Majeure. In the event a Force Majeure extends for
          more than six months, then another party may terminate this Agreement
          upon written notice to the non-performing party (so long as such other
          party is not itself then in material breach of this Agreement).

     10.10 ADDITIONAL ACTIONS AND DOCUMENTS. Each of the parties hereto hereby
          agrees to take or cause to be taken such further actions, to execute,
          acknowledge, deliver and file or cause to be executed, acknowledged,
          delivered and filed such further documents and instruments, and to use
          its best efforts to obtain such consents, as may be necessary or as
          may be reasonably requested in order to fully effectuate the purposes,
          terms and conditions of this Agreement, whether at or after the
          execution of this Agreement.

     10.11 COUNTERPARTS. This Agreement may be executed in counterparts, each of
          which shall be deemed an original, but all of which together shall
          constitute one and the same instrument.

                   [The following page is the signature page.]

                                       14

<PAGE>

     IN WITNESS WHEREOF, the parties hereto have caused this Supply and License
Agreement to be executed effective as of the date first above written.

                                         ANDREW XIAN CHEN

                                         By /s/ Andrew Xian Chen
                                            ------------------------------------
                                         Name: Andrew Xian Chen

                                         BRIDGETECH HOLDINGS INTERNATIONAL, INC.

                                         By /s/ Thomas C. Kuhn III
                                            ------------------------------------
                                         Name: Thomas C. Kuhn III
                                         Title: President & COO

                                       15

<PAGE>

                                   APPENDIX A

                         SUBJECT PRODUCTS SPECIFICATIONS

1. A lyophilized docetaxel intravenous emulsion formulation for cancer treatment
(under US patent application 11/192439 filed on 28-July-2005, WO patent
application US2005/026783 filed on 28-July-2005, and US provisional patent
applications 60/764,061 filed on 1-Feb-2006 and 60/771,816 filed on 8-Feb-2006)

2. A lyophilized paclitaxel intravenous emulsion formulation for cancer
treatment (under US patent application 11/192439 filed on 28-July-2005, WO
patent application US2005/026783 filed on 28-July-2005, and US provisional
patent applications 60/764,061 filed on 1-Feb-2006 and 60/771,816 filed on
8-Feb-2006)

3. A lyophilized vancomycin intravenous emulsion formulation for infectious
diseases (under US patent application 10/889226 filed on 12-Jul-2004, WO
application US2005/024594 filed on 12-Jul-2005 and a future application to be
filed)

4. A lyophilized clarithromycin intravenous emulsion formulation for infectious
diseases (under US patent application 10/895018 filed on 20-Jul-2004 and a
future application to be filed)

The Seller has filed patent applications for and owns exclusive rights to the
Subject Products in the Territory defined above.

                                       16

<PAGE>

                                   APPENDIX B

     Work necessary for the preparation of the initial regulatory filings in the
Territory

1.   Definition of product composition and components

2.   Description of small-to-pilot scale manufacturing process

3.   Six-month stability study

4.   Proposed test methods and quality specification

5.   Efficacy study in animals according to an established protocol

6.   Acute toxicity study in animals according to an established protocol

7.   Hypersensitivity study in animals according to an established protocol

8.   Vein irritation study in animals according to an established protocol

9.   Hemolysis study with animal blood according to an established protocol

                                       17<PAGE>

                                                                   EXHIBIT 10.24

                               AGREEMENT OF MERGER

      THIS AGREEMENT OF MERGER (the "Agreement of Merger"), is made and entered
into as of the ____ day of May, 2006, by and among BRIDGETECH HOLDINGS
INTERNATIONAL, INC., a Delaware corporation ("Bridgetech"), CLARITY ACES, INC.,
a Delaware corporation (the "Surviving Corporation"), and ADVANCED CAPSULE
ENDOSCOPY SERVICES, LLC, an Ohio limited liability company, (the "Merged
Company"), DR. ADAM MEZOFF and EDWARD YOUNG (the "Members"). The Merged Company
and the Surviving Corporation hereinafter sometimes together referred to as the
"Constituent Entities".

                                R E C I T A L S:

      A. The Surviving Corporation was formed and exists under the laws of the
State of Delaware. The Surviving Corporation is a wholly owned subsidiary of
Bridgetech.

      B. Bridgetech is a publicly held company which was formed and exists under
the laws of the State of Delaware.

      C. The Merged Company was formed and exists under the laws of the State of
Ohio. The Merged Company has filed an election on IRS Form 8832 to be treated
for federal income tax purposes as a corporation effective as of April 1, 2006.

      D. The respective members of the Merged Company and the members of the
Board of Directors of Bridgetech and the Surviving Corporation deem it advisable
for the mutual benefit of such entities that the Merged Company be merged with
and into the Surviving Corporation pursuant to the applicable provisions of the
Delaware General Corporation Law and upon the terms and conditions hereinafter
set forth ("Merger").

      NOW THEREFORE, in consideration of the foregoing recitals and of the
promises and mutual agreements herein contained and in accordance with the laws
of the State of Delaware, the Constituent Entities do hereby agree to merge upon
the terms and conditions set forth herein.

      1. Agreement to Merge. The Merged Company shall be merged into the
Surviving Corporation. The existence of the Merged Company shall cease upon the
effective date of the Merger. The Surviving Corporation shall continue its
existence under the laws of the State of Delaware and shall become the owner,
without other act or deed, of all the rights and property of the Constituent
Entities and subject to any liability for all the debts and obligations of the
Constituent Entities.

      2. Cancellation of Equity Interests. On the effective date of the Merger:
(a) all of the outstanding units of the Merged Company shall be canceled; (b)
all of the issued and outstanding shares of stock of the Surviving Corporation
shall remain outstanding and in full force and effect; and (c) the two (2)
Members of the Merged Company shall each receive (i) One Hundred Seventy-Seven
Thousand (177,000) common shares of Bridgetech (the "Shares"); (ii) a payment at
the time this Agreement of Merger is executed of One Hundred Thirty-Two Thousand
Five Hundred Dollars

<PAGE>

($132,500.00), which shall be paid by wire transfer of funds to accounts
designated by the two (2) Members; (iii) a second payment on, but not before,
January 3, 2007 of One Hundred Thirty Two Thousand Five Hundred Dollars
($132,500.00), which shall also be paid by wire transfer of fund to accounts
designated by the two (2) Members; and (iv) books and accounting records for the
Merged Company will be kept separately and if EBITDA for the Five States
Business is equal to or exceeds Seven Hundred Fifty Thousand Dollars
($750,000.00) during the first twelve (12) months following the effective date
of this merger, then each Member shall receive One Hundred Thousand Dollars
($100,000.00); if EBITDA for the Five States Business for the first twenty-four
(24) months following the effective date of the merger equals or exceeds One
Million Five Hundred Thousand Dollars ($1,500,000.00), then each Member will
receive One Hundred Fifty Thousand Dollars ($150,000.00). "EBITDA" as used
herein shall mean "Earnings Before Interest, Taxes, Depreciation and
Amortization" which is a measure of a company's operating cash flow based on
data from the company's income statement. It is calculated by looking at
earnings before the deduction of interest expenses, taxes, depreciation and
amortization. "Five States Business" means the business conducted by the
Surviving Company in the States of Ohio, Kentucky, Indiana, Illinois and
Tennessee.

      3. Transfer of Assets, Liabilities and Equity. The assets, liabilities and
equity of the Merged Company shall be recorded on the books of the Surviving
Corporation in the amounts at which they are stated on the books of the Merged
Company on the effective date of the Merger.

      4. Articles of Incorporation and Bylaws. The present Articles of
Incorporation and Bylaws of the Surviving Corporation shall continue to be the
Articles of Incorporation and Bylaws of the Surviving Corporation on and after
the effective date of the Merger.

      5. Principal Place of Office. The principal office of the Surviving
Corporation shall continue to be located at 402 West Broadway, Suite 400, San
Diego, California 92101.

      6. Copy of Agreement of Merger. A copy of the Agreement of Merger will be
on file at the principal place of office of the Surviving Corporation. A copy of
the Agreement of Merger will be furnished by the Surviving Corporation upon
written request and without cost, to any stockholder or member of either
Constituent Entity.

      7. Effective Date of Merger. The effective date of the Merger shall be
upon filing of the State of Delaware, Certificate of Merger of Domestic
Corporation and Foreign Limited Liability Company with the Delaware Secretary of
State.

      8. Execution. This Agreement of Merger may be executed in any number of
counterparts, each of which shall be deemed an original, but all of such
counterparts taken together shall constitute one and the same instrument.

      9. Captions and Paragraph Headings. Captions and paragraph headings used
herein are for convenience only and are not a part of this Agreement of Merger
and shall not be used in construing it.

                                       2
<PAGE>

      10. Representations and Warranties. The Members represent and warrant as
follows:

      (a) Organization and Standing of the Merged Company. The Merged Company is
a limited liability company duly organized, validly existing, and in good
standing under the laws of the State of Ohio. The Merged Company has filed an
election on IRS Form 8832 to be treated as a corporation for federal income tax
purposes effective April 1, 2006.

      (b) Subsidiaries. The Merged Company has no subsidiaries.

      (c) Financial Statements. The Merged Company has no financial statements
and has no or minimal assets. The Merged Company was only recently formed and
has no revenue from services except as set forth herein. The Merged Company's
primary asset is a method of doing business with capsule endoscopy which it
believes will be profitable. Twenty (20) test cases were run using the capsule
endoscopy techniques. Income for these tests has yet to be received but bills
have been sent to the twenty (20) test patients' health insurance carriers. All
costs incurred related to those procedures and other start up costs of the
Merged Company have been paid except for a fee for reading the test cases of
Fifty Dollars ($50.00) per case for a total of One Thousand Dollars ($1,000.00)
which costs will be paid by the Surviving Corporation and legal fees of the
Merged Company relating to this merger which fees will be paid for by the
Members. Accounts receivables connected with the twenty (20) test cases should
cover the liability to the physician(s) who read the twenty (20) test cases.
Except as stated herein, there are no undisclosed liabilities of the Merged
Company.

      (d) Contracts. The Merged Company has not entered into any contracts.

      (e) Litigation. There is no litigation or proceedings pending, or to the
Merged Company's knowledge, threatened against or relating to the Merged
Company, its properties, or business, nor does the Merged Company know or have
reasonable grounds to know of any basis for any such action or of any
governmental investigation relative to the Merged Company, its properties, or
business.

      (f) Capitalization. The outstanding equity interests of the Merged Company
consist solely of the membership interests owned by the Members. There are no
options, warrants, subscriptions, puts, calls or other rights, commitments,
undertakings or understandings to acquire, dispose of or restrict the transfer
of any equity interests of the Merged Company.

      (g) Investment. The Members will acquire the Shares for investment for
their own account, and not with a view to, or for the offer or sale in
connection with, any distribution thereof. The Members acknowledge that neither
the Shares nor the issuance of the Shares to the Members has been registered
under the Securities Act of 1933, as amended (the "Securities Act"), or any
state securities laws, and that the Shares may not be transferred or sold except
pursuant to the registration provisions of the Securities Act and any applicable
state securities laws or pursuant to an applicable exemption therefrom.
Purchaser hereby acknowledges and agrees that the certificates representing the
Shares will bear a legend substantially in the form of the following legend:

                                       3
<PAGE>

            THE SECURITIES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN
            REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR ANY
            STATE SECURITIES LAW AND MAY NOT BE SOLD OR TRANSFERRED UNLESS SO
            REGISTERED OR UNLESS AN EXEMPTION FROM APPLICABLE REGISTRATION
            REQUIREMENTS IS AVAILABLE.

      The parties hereto have caused this Agreement of Merger to be signed by
its respective member or officer on the day and year first above written.

SURVIVING CORPORATION                     MERGED COMPANY

CLARITY ACES, INC.                        ADVANCED CAPSULE ENDOSCOPY,
a Delaware corporation                    LLC, an Ohio limited liability company

By:   /s/ Thomas C. Kuhn III              By:   /s/ Edward Young
    -----------------------------------       ----------------------------------
                                                Edward Young, Member
Print Name: ___________________________

Title: ________________________________

BRIDGETECH HOLDINGS                       THE MEMBERS:
INTERNATIONAL, INC.,
a Delaware corporation
                                                /s/ Dr. Adam Mezoff
                                          --------------------------------------
By:   /s/ Thomas C. Kuhn III              Dr. Adam Mezoff
    -----------------------------------

Print Name: Thomas C. Kuhn III
                                                /s/ Edward Young
                                          --------------------------------------
Title:      President                     Edward Young

                                       4

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