EXHIBIT 10.10

                            STOCK PURCHASE AGREEMENT

                                      Among
                       LIQUID STONE PARTNERS ("PURCHASER")
                                       And
                 NATIONAL HEALTHCARE TECHNOLOGY, INC ("SELLER")
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This STOCK PURCHASE AGREEMENT, is made as of April 4, 2006 the ("Agreement"),
between LIQUID STONE PARTNERS, ("Liquid"or"Purchaser"), and NATIONAL HEALTHCARE
TECHNOLOGY, INC., ("National") a Colorado Corporation ("Seller").

WHEREAS, the Board of Directors of the Seller and the duly authorized Managing
Partner of the Purchaser have approved the terms of this Agreement and of the
transactions contemplated hereby; and

WHEREAS, Seller desires to sell all of the stock, assets, and liabilities of ES3
Special Stone Surfaces Inc, a Nevada Corporation, the (" Company");and

WHEREAS, the Seller and Purchaser desire to set forth the terms of the agreement
in connection with the transactions provided for herein; and

WHEREAS, the Closing of the transactions will occur upon the execution of this
agreement that the effective date for accounting tax and other considerations
for this agreement shall be 10/1/05.

NOW, THEREFORE, in consideration of the promises and representations, warranties
and agreements herein contained, the parties hereto agree as follows:

                             ARTICLE 1 - DEFINITIONS

Definitions. As used herein, the following terms shall have the following
meanings:

"Agreement" has the meaning specified in the introductory paragraph above.

"Ancillary Documents" as to any Person means all agreements, releases,
certificates and other documents contemplated by this Agreement to be entered
into or executed by such Person; and where a reference to a Person is made in
conjunction with a reference to "Ancillary Documents," the term shall refer only
to such documents which such Person has entered into or executed.

"Closing" has the meaning specified in Section 3.01 hereof.

"Closing Date" has the meaning specified in Section 3.01 hereof.


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"Code" means the Internal Revenue Code of 1986, as amended.

"Common Stock" means the common stock of the Seller.

"Damages" has the meaning specified in Section 6.02 hereof.

"Governmental Entity" has the meaning specified in Section 4.02 hereof.

"Knowledge" means, with respect to any Person, (i) actual knowledge of such
Person (including the actual knowledge of the officers, directors and key
employees of such Person) and (ii) actual knowledge that could have been
acquired by such Person after making such due inquiry and exercising such due
diligence as a prudent businessperson would have made or exercised in the
management of his or her business affairs in light of the circumstances.

"Laws" means all applicable common law and any statute, law, code, ordinance,
regulation, rule, resolution, order, determination, writ, injunction, award
(including, without limitation, any award of any arbitrator), judgments and
decrees applicable to the specified persons or entities and to the businesses
and assets thereof.

"Person" means a natural person, corporation, partnership or other business
entity, or any Governmental Entity.

"Purchaser" has the meaning specified in the introductory paragraph above.

"SEC" means the Securities and Exchange Commission.

"Securities Act" means the Securities Act of 1933, as amended.

"Seller" has the meaning specified in the introductory paragraph above.

"Tax" and "Taxes" shall mean all federal, state, local and foreign property,
sales and use, payroll, withholding, franchise and income taxes and all
assessments, rates, levies, fees and other governmental charges, including any
interest and penalties in respect of such amounts.

                           ARTICLE 2 - PURCHASED STOCK

2.01 Purchase and Sale of Stock. Subject to the terms and conditions of this
Agreement and in reliance upon Seller's representations and warranties contained
herein, at Closing, Seller shall, convey, assign, transfer and deliver, and
Purchaser shall acquire all of the issued and outstanding stock of ES3 Liquid
Stone Surfaces Inc, a Nevada Corporation and all of the assets and liabilities
of the company. The liabilities shall be all liabilities associated with the
company

2.02. Purchase Price. The Purchase price shall be equal to the liabilities of
the company which are assumed by Purchaser in this agreement. Purchaser
specifically assumes all liabilities, obligations, debts, liens,


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employee wages and all other obligations associated with the operation and
management of the company. Purchaser agrees to take the company with all known
and unknown assets, liabilities and obligations associated with the company and
the operations of the company

                   ARTICLE 3 - THE CLOSING; ACQUISITION PRICE

3.01 Closing. The Closing referred to herein as a "Closing", and at the date of
the Closing being April 4, 2006, Seller shall deliver to Purchaser a certificate
for the appropriate number of Shares to be purchased at such Closing by
Purchaser.

              ARTICLE 4 - REPRESENTATIONS AND WARRANTIES OF SELLER

Seller hereby represents and warrants to Purchaser as follows:

4.01 Organization, Good Standing and Foreign Qualification. Seller is a Colorado
corporation duly incorporated and validly existing and in good standing under
the laws of. Seller or its Subsidiaries are duly licensed or qualified to do
business as a foreign corporation and is in good standing under the laws of each
other jurisdiction in which the character of the properties owned or leased by
it therein or in which the transaction of business makes such qualification
necessary, except where the failure to so qualify would not have a material
adverse effect on Sellers.

4.02 Authority Relative to Agreements. Subject to Seller's receipt of
shareholder approval ("Shareholder Approval") for the sale of Shares in the
Second Closing, Seller has the requisite corporate power and authority to enter
into this Agreement and all Ancillary Documents, and to carry out their
obligations hereunder and hereunder. The execution and delivery of this
Agreement and each Ancillary Document, and the consummation of the transactions
provided for herein and therein, have been duly authorized by the unanimous
consent of the Board of Directors of Seller and does not violate any provision
of the respective Certificates of Incorporation or Bylaws of Seller or its
Subsidiaries. The execution by Seller of this Agreement and each Ancillary
Document, and, subject to the receipt of Shareholder Approval, the consummation
of the transactions provided for hereby and thereby, will not conflict with or
effect a breach, violation, default, or cause an event of default, under any
mortgage, lease, or other material agreement or instrument, or any statute,
regulation, order, judgment or decree to which Sellers are a party or by which
they are bound, or any law or governmental regulation applicable to Seller, or
require the consent of any Person (other than the parties to this Agreement).
Without limiting the generality of the foregoing, and except for Seller's
receipt of Shareholder Approval and the filing with the SEC and delivery to
Seller's stockholders of the required proxy/information statement, no notices,
reports or other filings are required to be made by Seller with, nor are any
consents, registrations, approvals, permits or authorizations required to be
obtained by Seller from, any government or governmental, regulatory or


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administrative authority or agency, domestic or foreign (each, a "Governmental
Entity"), in connection with the execution and delivery of this Agreement by
Seller and the consummation by Seller of the transactions contemplated by this
Agreement and the Ancillary Documents. This Agreement and the Ancillary
Documents constitute legal, valid and binding obligations of Seller, enforceable
in accordance with their terms, except as enforcement thereof may be limited by
applicable bankruptcy, reorganization, insolvency, moratorium or other laws
affecting rights of creditors generally and general principles of equity,
whether applied at law or in equity.

4.03 Tax Matters. To the best Knowledge of Seller, Seller has duly and timely
filed all tax returns and reports required to be filed by Seller and its
Subsidiaries prior to Closing, except to the extent that any failure or alleged
failure to file any Tax return or report would not have a material adverse
effect on Seller or the Acquired Assets. All of Sellers' tax returns and reports
are true and complete in all material respects. Seller has paid all taxes shown
to be due on the aforesaid tax returns and reports.

4.04. Litigation. There is no prosecution, suit, action, arbitration proceeding
or governmental proceeding pending, or to the best Knowledge of Seller,
threatened, against or affecting Seller or its Subsidiaries or the transactions
contemplated by this Agreement. There is not outstanding against Seller or its
Subsidiaries any decision, judgment, decree, injunction, rule or order of any
court, arbitrator or Governmental Entity.

4.05. Brokers. Purchaser shall not have any obligation or liability to pay any
fee or other compensation to any Person engaged by Seller in connection with
this Agreement and the transactions contemplated hereby.

4.06. True Copies. All copies of documents delivered or made available to
Purchaser in connection with this Agreement are true and correct copies of the
originals thereof.

4.07. Compliance with Law. Seller is in material compliance with all federal,
state and local laws, regulations and ordinances applicable to its business and
operations.

4.08. Intellectual Property. The best Knowledge of Seller, Seller and its
Subsidiaries owns, or are licensed or otherwise possess legally enforceable
rights to use its Intellectual Property, free and clear of all material
encumbrances. Seller does not have any Knowledge and Sellers have not received
any notice to the effect that (i) the use of the Intellectual Property may
infringe on any intellectual property right or other legally protect-able right
of another, or (ii) any Person is using any patents, copyrights, trademarks,
service marks, trade names, trade secrets or similar property that are
confusingly similar with the Intellectual Property. Sellers have not granted any
license or other right to any other Person with respect to the Intellectual
Property. To the best of Sellers' Knowledge, the consummation of the
transactions contemplated by this Agreement will not result in the termination
or impairment of any of the Intellectual Property. Seller is not aware of any


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reason that would prevent any pending trademark, service mark, copyright, patent
or other intellectual property applications required for the use of the
Intellectual Property from having registration granted.

4.09 Disclosure. No representation or warranty by Sellers in, and no document,
statement, certificate, schedule or exhibit to be furnished or delivered to
Purchaser pursuant to, this Agreement contains or will contain any material
untrue or misleading statement of fact or omits or will omit any fact necessary
to make the statements contained herein or therein not materially misleading. No
press releases or disclosure will be made by either party to this agreement
without the written release from each party to this agreement.

             ARTICLE 5 - REPRESENTATIONS AND WARRANTIES OF PURCHASER

Purchaser hereby represents and warrants to Seller as follows:

5.01. Organization and Good Standing. Purchaser is a general partnership validly
existing and in good standing under the laws of Nevada.

     ARTICLE 6 - SURVIVAL OF REPRESENTATIONS AND WARRANTIES; INDEMNIFICATION

6.01. Survival of Representations and Warranties of the Parties. Except as
provided in Section 6.02 and the tax obligations set forth herein, all
representations and warranties made by any party hereto contained in this
Agreement or in any Ancillary Document, and the indemnification obligations of
each party hereto with respect to representations and warranties, shall survive
for a period ending two years following the Closing Date. Notwithstanding the
foregoing, the representations and warranties relating to Section 4.03 hereof,
and the indemnity obligations with respect to such representations and
warranties, shall remain operative and in full force and effect until the
expiration of the applicable statute of limitations.

6.02. Indemnification by Purchaser. Purchaser hereby agrees to indemnify and
hold Seller harmless from and against any damages, losses, liabilities,
deficiencies, costs and/or expenses (including all reasonable legal fees,
expenses and other out-of-pocket costs) (collectively, "Damages") resulting
from, arising out of or in connection with or related to the transactions under
this Agreement whether or not any such Damages are in connection with any
action, suit, proceeding, demand or judgment of a third party (including
Governmental Entities).


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                      ARTICLE 7 - CONDITIONS TO THE CLOSING

7.01. Condition to Obligations of Purchaser. The obligations of Purchaser to
close the transactions contemplated hereby are subject to the satisfaction of
the following condition: The representations and warranties made by Sellers in
Section 4 hereof shall be true and correct when made, and shall be true and
correct in all material respects on the Closing Date with the same force and
effect as if they had been made on and as of said date.

                             ARTICLE 8 - THE CLOSING

At the Closing, the parties shall deliver the following documents and
instruments and take the following actions:

8.01. Closing . Seller shall deliver certificates representing the Shares.

                        ARTICLE 9 - ADDITIONAL AGREEMENTS

9.01. Agreements as to Tax Matters. The parties to this Agreement will cooperate
fully with each other, in connection with the preparation, signing and filing of
tax returns and in any administrative, judicial or other proceeding involving
taxes relating to the Acquired Assets.

9.02. Post-Closing Documents. The parties hereto will cooperate with one another
after Closing and, without any further consideration, will execute and deliver
such other documents as shall be reasonably required after the Closing to
transfer title to the Shares to Purchaser and to take any other action necessary
to carry out the intent and purposes of this Agreement.

9.03. Notice. Each party shall notify the others of any claim, demand, action,
suit or proceeding relating to or arising in connection with, the Shares as soon
as practicable after learning of such claim, demand, action, suit, or
proceeding.

                         ARTICLE 10 - GENERAL PROVISIONS

10.01. Expenses. Each party shall pay its own expenses (including legal and
accounting costs and expenses) in connection with the negotiation, preparation
and consummation of this Agreement and the Ancillary Documents, and the
transactions contemplated hereby and thereby.

10.02. Governing Law; Waiver of Jury Trial. All questions concerning the
construction, interpretation and validity of this Agreement shall be governed by
and construed and enforced in accordance with the domestic laws of the State of
Nevada without giving effect to any choice or conflict of law provision or rule
(whether in the State of Nevada or any other jurisdiction) that would cause the
application of the laws of any jurisdiction other than the State of Nevada. In
furtherance of the foregoing, the internal law of the State


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of Nevada will control the interpretation and construction of this Agreement,
even if under such jurisdiction's choice of law or conflict of law analysis, the
substantive law of some other jurisdiction would ordinarily or necessarily
apply.

BECAUSE DISPUTES ARISING IN CONNECTION WITH COMPLEX FINANCIAL TRANSACTIONS ARE
MOST QUICKLY AND ECONOMICALLY RESOLVED BY AN EXPERIENCED AND EXPERT PERSON AND
THE PARTIES WISH APPLICABLE LAWS TO APPLY (RATHER THAN ARBITRATION RULES), THE
PARTIES DESIRE THAT THEIR DISPUTES BE RESOLVED BY A JUDGE APPLYING SUCH
APPLICABLE LAWS. THEREFORE, TO ACHIEVE THE BEST COMBINATION OF THE BENEFITS OF
THE JUDICIAL SYSTEM AND OF ARBITRATION, THE PARTIES HERETO WAIVE ALL RIGHT TO
TRIAL BY JURY IN ANY ACTION, SUIT OR PROCEEDING BROUGHT TO ENFORCE OR DEFEND ANY
RIGHTS OR REMEDIES UNDER THIS AGREEMENT OR ANY DOCUMENTS RELATED HERETO.

10.03. Submission to Jurisdiction. Any legal action or proceeding with respect
to this Agreement or the other Ancillary Documents may be brought in the courts
of the State of Nevada. Purchaser hereby accepts for itself and in respect of
its property, generally and unconditionally, the jurisdiction of the aforesaid
courts. Each Seller hereby irrevocably waives, in connection with any such
action or proceeding, any objection, including, without limitation, any
objection to the venue or based on the grounds of forum non convenes, which it
may now or hereafter have to the bringing of any such action or proceeding in
such respective jurisdictions. Each Seller hereby irrevocably consents to the
service of process of any of the aforementioned courts in any such action or
proceeding by the mailing of copies thereof by registered or certified mail,
postage prepaid, to it at its address as set forth herein.

10.04. Headings. Article and Section headings used in this Agreement are for
convenience only and shall not affect the meaning or construction of this
Agreement.

10.05 Notices. All notices and other communications hereunder shall be in
writing and shall be deemed given if delivered personally or mailed by certified
mail (return receipt requested) to the parties at the following address (or at
such other address for a party as shall be specified by like notice), or if sent
by telecopy to the parties at the following telecopy numbers;

For Seller:

9595 Wilshire Blvd, Suite 510
Beverly Hills, CA 90212
Fax: 310 275 7095
Ph: 310 275 9095


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For Purchaser:

6330 Nancy Ridge Drive, Ste 108
San Diego, CA 92121
Ph: 858 824 1710
Fax: 858 824 1715

10.06. Parties in Interest. All the terms and provisions of this Agreement shall
be binding upon and inure to the benefit of and be enforceable by the successors
of Sellers and Purchaser.

10.07. Final Agreement; Entire Agreement. This Agreement, including any
agreements set forth as an annex to any this Agreement, is the final agreement
between the parties and constitutes the entire agreement between the parties
hereto and supersedes all prior agreements and understandings, both written and
oral, whether signed or unsigned, with respect to the subject matter hereof.

10.08. Counterparts. This Agreement may be executed in two or more counterparts,
each of which shall be considered an original, but all of which together shall
constitute the same instrument.

10.09. Amendment. This Agreement may be amended only by an instrument in writing
signed by or on behalf of each of the parties hereto.

10.10. Preparation of Agreement. Purchaser prepared this Agreement and the
Ancillary Agreements solely on its behalf. Each party to this Agreement
acknowledges that: (i) the party had the advice of, or sufficient opportunity to
obtain the advice of, legal counsel separate and independent of legal counsel
for any other party hereto; (ii) the terms of the transactions contemplated by
this Agreement are fair and reasonable to such party; and (iii) such party has
voluntarily entered into the transactions contemplated by this Agreement without
duress or coercion.

IN WITNESS WHEREOF, the parties have duly executed this Stock Purchase Agreement
as of the date first written above.

                              LIQUID STONE PARTNER


                              By: /s/ William D Courtney
                                  -------------------------------
                                  Name:  William D Courtney
                                  Title: Managing Partner


                              NATIONAL HEALTHCARE TECHNOLOGY INC

                              By: /s/
                                  -------------------------------
                                  Name:
                                  Title: President


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