Document:

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                                                                    Exhibit 10.7

                              AMENDED AND RESTATED
                            STOCK BUY BACK AGREEMENT

                  This AMENDED AND RESTATED STOCK BUY BACK Agreement (this
"AGREEMENT") is made and entered into as of September 30, 2001 by and among
Technical Consumer Products, Inc., an Ohio corporation (the "COMPANY"),
Practical Innovations, Inc., a Delaware corporation ("PRACTICAL"), and Andrzej
Bobel, an individual resident of Illinois ("BOBEL"), and amends and restates
that certain stock buy back agreement, dated as of April 1, 2001 (the "ORIGINAL
STOCK BUY BACK AGREEMENT") by and between Bobel and the Company.

                                    RECITALS

                  A. Bobel is the President of Practical.

                  B. The Company, Practical and Bobel are parties to a license
agreement, dated as of March 1, 2000 (the "2000 LICENSE AGREEMENT"), pursuant to
which Practical granted the Company both an exclusive and a non-exclusive
license to use certain of Practical's technology in exchange for, among other
things, the issuance to Bobel of ten (10) fully paid and non-assessable shares
of the Company's common shares, without par value per share (the "COMMON
SHARES"), which represented five percent of the Company's then outstanding
Common Shares.

                  C. On May 23, 2001, the Company, Practical and Bobel entered
into a new license agreement (the "2001 LICENSE AGREEMENT"), which incorporated
the terms of the 2000 License Agreement and a license agreement dated June 18,
1996 by and among the Company, Practical and Bobel, as amended on November 13,
1998 (the "1996 LICENSE AGREEMENT"), pursuant to which the Company's exclusive
license under the 2000 License Agreement was converted to a non-exclusive
license.

                  D. Simultaneously with the execution of this Agreement, the
Company, Practical and Bobel amended and restated the 2001 License Agreement to,
among other things, increase certain payments due Practical (the "AMENDED AND
RESTATED LICENSE AGREEMENT," together with the 2001 License Agreement, the 2000
License Agreement, the 1996 License Agreement, and any other license agreements
between the Company and Practical and/or Bobel, the "LICENSE AGREEMENTS").

                  E. In connection with the 2001 License Agreement, Bobel and
the Company entered into the Original Stock Buy Back Agreement, pursuant to
which Bobel agreed to sell, and the Company agreed to purchase, Bobel's ten (10)
Common Shares for $500.00 on September 30, 2001.

                  F. The Company and Bobel desire that the terms of the Original
Stock Buy Back Agreement be amended and restated by this Agreement.

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                  G. Bobel desires to sell, and the Company desires to purchase,
the ten (10) Common Shares owned by Bobel (the "PURCHASED SHARES"), which
represent all of the Common Shares owned by Bobel.

                                    AGREEMENT

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

              ARTICLE 1: SALE AND PURCHASE OF THE PURCHASED SHARES

                  1.1 SALE AND PURCHASE. Subject to the terms and conditions set
forth herein, concurrently with the execution of this Agreement, Bobel will sell
to the Company, and the Company will purchase from Bobel, all of the Purchased
Shares, free and clear of any mortgage, pledge, hypothecation, rights of others,
claim, security interest, encumbrance, title defect, title retention agreement,
voting trust agreement, interest, option, lien, charge or similar restrictions
or limitations, including, without limitation, any restriction on the right to
vote, sell or otherwise dispose of the Purchased Shares (collectively, "LIENS"),
for $500.00 and other good and valuable consideration, including the conversion
of the exclusive license pursuant to the terms of the 2001 License Agreement
into a non-exclusive license.

                  1.2 DELIVERIES. Concurrently with the execution of this
Agreement, Bobel will deliver to the Company (a) a share certificate
representing Bobel's ten (10) Common Shares, with a duly executed stock power
attached in proper form for transfer of the Purchased Shares to the Company, and
(b) any other documents that are necessary to transfer to the Company good and
valid title to the Purchased Shares, free and clear of Liens, and the Company
will pay Bobel $500.00 in cash.

                         ARTICLE 2: REPRESENTATIONS AND
                        WARRANTIES OF PRACTICAL AND BOBEL

                  Practical and Bobel represent and warrant to the Company as
follows:

                  2.1 VALIDITY AND ENFORCEABILITY. Each of Practical and Bobel
has the capacity or the requisite power and authority, as the case may be, to
execute, deliver and perform such party's obligations under this Agreement. This
Agreement has been duly executed and delivered by each of Practical and Bobel
and, assuming due authorization, execution and delivery by the Company,
represents the legal, valid and binding obligation of each of Practical and
Bobel, enforceable against each such party in accordance with its terms, subject
to applicable bankruptcy, insolvency, reorganization, moratorium, liquidation,
fraudulent conveyance and other similar laws and principles of equity affecting
creditors' rights and remedies generally.

                  2.2 TITLE. Bobel has good and marketable title to the
Purchased Shares, free and clear of all Liens. Upon the consummation of the
transactions contemplated by this Agreement, the Company will acquire good and
valid title to the Purchased Shares, free and clear of all Liens.

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                  2.3 NO CONFLICT. Bobel represents that the execution and
delivery by him of this Agreement and the performance by him of his obligations
hereunder will not violate (i) any provision of any applicable law, or (ii) any
provision of any indenture, agreement or other instrument to which he or any of
his properties or assets is bound, or conflict with, result in a breach of or
constitute (with due notice or lapse of time or both) a default under any such
indenture, agreement or other instrument, or result in the creation or
imposition of any lien or other encumbrance of any nature whatsoever upon any of
his properties or assets. Practical represents that the execution and delivery
by it of this Agreement and the performance by it of its obligations hereunder
have been duly authorized by all requisite corporate action and will not violate
(i) any provision of any law applicable to it, (ii) any of its constituent
documents, or (iii) any provision of any indenture, agreement or other
instrument to which it or any of its subsidiaries or any of its properties or
assets is bound, or conflict with, result in a breach of or constitute (with due
notice or lapse of time or both) a default under any such indenture, agreement
or other instrument, or result in the creation or imposition of any lien or
other encumbrance of any nature whatsoever upon any of its properties or assets.

                  2.4 INVESTMENT REPRESENTATIONS. Bobel is an "accredited
investor" within the meaning of Rule 501(a) of Regulation D of the Securities
Act of 1933, as amended. Bobel represents that: (i) he has such knowledge and
experience in financial and business matters as to be capable of evaluating the
merits and risks of an investment in the Common Shares; (ii) he has received all
the information he has requested from the Company and considers necessary or
appropriate for deciding whether to sell the Purchased Shares, including,
without limitation, the audited financial statements of the Company for fiscal
1999 and 2000 prepared by Grant Thornton, LLP; and (iii) he has had the
opportunity to discuss the Company's business, management and financial affairs
with its management. Bobel acknowledges that the Company is contemplating
conducting an initial public offering of its Common Shares, is preparing and
anticipates filing a registration statement with the Securities and Exchange
Commission ("SEC") in connection with such public offering, and that if such
public offering is completed, the Company may sell its shares in the public
offering at a price that is higher than the purchase price for the Purchased
Shares.

            ARTICLE 3: REPRESENTATIONS AND WARRANTIES OF THE COMPANY

                  The Company hereby represents and warrants to Practical and
Bobel as follows:

                  3.1 VALIDITY AND ENFORCEABILITY. The Company has the requisite
power and authority to deliver and perform its obligations under this Agreement.
This Agreement has been duly executed and delivered by the Company and, assuming
due authorization, execution and delivery by each of Practical and Bobel,
represents the legal, valid and binding obligation of the Company, enforceable
against the Company in accordance with its terms, subject to applicable
bankruptcy, insolvency, reorganization, moratorium, liquidation, fraudulent
conveyance and other similar laws and principles of equity affecting creditors'
rights and remedies generally.

                  3.2 NO CONFLICT. The Company represents that the Company's
purchase of the Purchased Shares has been approved by the Company's board of
directors and shareholders and the execution and delivery by it of this
Agreement and the performance by it of its obligations hereunder have been duly
authorized by all other requisite corporate action and will not violate

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(i) any provision of any law applicable to it, (ii) any of its constituent
documents, or (iii) any provision of any indenture, agreement or other
instrument to which it or any of its subsidiaries or any of its properties or
assets is bound, or conflict with, result in a breach of or constitute (with due
notice or lapse of time or both) a default under any such indenture, agreement
or other instrument, or result in the creation or imposition of any lien or
other encumbrance of any nature whatsoever upon any of its properties or assets.

                        ARTICLE 4: ADDITIONAL AGREEMENTS

                  4.1 RELEASE BY PRACTICAL AND BOBEL. Except as otherwise set
forth in this Agreement, each of Practical and Bobel hereby fully, finally and
forever releases, discharges, quit claims and covenants not to sue, and
otherwise agrees not to enforce any claim, cause of action, right, title or
interest of any kind and every description against the Company and its officers,
directors, employees, shareholders, agents, representatives, attorneys,
accountants, affiliates, successors and assigns, of, from and with respect to
any and all claims, demands, claims for relief, actions, causes of action,
suits, arbitrations, demands, proceedings, debts, obligations, liabilities,
damages, losses, costs, attorneys' fees, and expenses of any kind, character or
nature whatsoever, whether known or unknown, suspected or unsuspected, fixed or
contingent, arising out of, or otherwise in connection with the sale by Bobel of
the Purchased Shares to the Company, or otherwise arising under the Original
Stock Buy Back Agreement.

                  4.2 RELEASE BY THE COMPANY. Except as otherwise set forth in
this Agreement, the Company hereby fully, finally and forever releases,
discharges, quit claims and covenants not to sue, and otherwise agrees not to
enforce any claim, cause of action, right, title or interest of any kind and
every description against Bobel or Practical and Practical's officers,
directors, employees, shareholders, agents, representatives, attorneys,
accountants, affiliates, successors and assigns, of, from and with respect to
any and all claims, demands, claims for relief, actions, causes of action,
suits, arbitrations, demands, proceedings, debts, obligations, liabilities,
damages, losses, costs, attorneys' fees, and expenses of any kind, character or
nature whatsoever, whether known or unknown, suspected or unsuspected, fixed or
contingent, arising out of, or otherwise in connection with the sale by Bobel of
the Purchased Shares to the Company, or otherwise arising under the Original
Stock Buy Back Agreement.

                  4.3 TAXES.

                      (a) Bobel acknowledges and agrees that the Company and its
         shareholders plan to revoke the S corporation status of the Company
         immediately prior to the closing of the Company's contemplated public
         offering and, as a result, the Company will be a "C corporation" (as
         defined in section 1361(a)(2) of the Internal Revenue Code of 1986 (the
         "CODE")) on the date on which the S corporation status of the Company
         will terminate pursuant to section 1362(d) of the Code (the
         "TERMINATION DATE").

                      (b) Bobel hereby consents to and upon the Company's
         request will agree to the revocation by the Company of its S
         corporation election under section 1362(a) of the Code and the election
         to close the books upon S corporation termination under section
         1362(e)(3) of the Code.

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                      (c) Bobel hereby acknowledges and agrees that following
         the purchase of the Purchased Shares contemplated hereby, the Company
         may make distributions to its shareholders of record, including,
         without limitation, distributions of the Company's undistributed S
         corporation taxable income and/or retained earnings. Following the
         repurchase of the Purchased Shares and before expiration of one year
         following the revocation by the Company of its S corporation status,
         Bobel will be entitled to a payment equal to such share of S
         corporation distributions made by the Company solely to its
         shareholders who were shareholders of record while the Company was an S
         corporation, that is proportionate to his ownership of the Company and
         as it relates solely to periods during which he was a shareholder of
         record of the Company. Bobel agrees to enter into such tax
         indemnification agreements with the Company that the Company and its
         shareholders enter into in connection with the revocation of the
         Company's S corporation status as contemplated by this Section 4.3.

                  4.4 GENERAL INDEMNIFICATION OBLIGATIONS. Bobel will indemnify
and hold harmless the Company and its officers, directors, employees, agents,
representatives, successors and assigns from and against any and all losses,
liabilities, claims, damages, penalties, fines, judgments, awards, settlements,
taxes, costs, fees, expenses (including reasonable attorneys' fees) and
disbursements (collectively "LOSSES") actually sustained by any of such persons
based upon, arising out of or otherwise in respect of any inaccuracies in any
representation or warranty, or any breach of covenant or agreement, of Practical
or Bobel contained in this Agreement. The Company will indemnify and hold
harmless Bobel from and against any and all Losses actually sustained by Bobel
based upon, arising out of or otherwise in respect of any inaccuracies in any
representation or warranty, or any breach of any covenant or agreement, of the
Company contained in this Agreement.

                            ARTICLE 5: MISCELLANEOUS

                  5.1 INTEGRATION, MODIFICATION AND WAIVER. This Agreement
amends and restates the Original Stock Buy Back Agreement and contains the
entire understanding of the parties with respect to the subject matter hereof,
and supersedes and replaces the Original Stock Buy Back Agreement and any other
prior agreements, understandings or promises relating to the subject matter
hereof. No supplement, modification or amendment of this Agreement will be
binding unless executed in writing by the Company, Practical and Bobel. No
waiver of any of the provisions of this Agreement will be deemed to be or will
constitute a continuing waiver. No waiver will be binding unless executed in
writing by the party making the waiver.

                  5.2 CONSTRUCTION. The parties have participated jointly in the
negotiation and drafting of this Agreement. In the event an ambiguity or
question of intent or interpretation arises, this Agreement will be construed as
if drafted jointly by the parties and no presumption or burden of proof will
arise favoring or disfavoring any party by virtue of the authorship of any of
the provisions of this Agreement.

                  5.3 SEVERABILITY. Neither the Company, Bobel nor Practical
will contest the validity of this Agreement. If any provision of this Agreement
or the application of any provision hereof to any party or circumstance will, to
any extent, be adjudged invalid or unenforceable, the application of the
remainder of such provision to such party or circumstance,

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the application of such provision to other parties or circumstances, and the
application of the remainder of this Agreement will not be affected thereby.

                  5.4 NO ASSIGNMENT. The rights and obligations of the parties
hereunder may not be assigned without the prior written consent of the other
parties hereto. Notwithstanding the previous sentence, the Company may, without
the prior written consent of Practical or Bobel, assign its rights under this
Agreement to any assignee of or successor to substantially all of the business
or the assets of the Company or any direct or indirect subsidiary thereof.

                  5.5 THIRD PARTIES. Except with respect to the rights under
Section 4.4 of this Agreement, nothing expressed or implied in this Agreement is
intended, or is to be construed, to confer upon or give any person other than
the parties hereto any rights or remedies under or by reason of this Agreement.

                  5.6 FURTHER INSTRUMENTS AND ACTIONS. The parties will execute
such further instruments and take such further action as may reasonably be
necessary to carry out the intent of this Agreement. Each party hereto will
cooperate affirmatively with all other parties hereto, to the extent reasonably
requested by such parties, to enforce rights and obligations herein provided.
Bobel will vote his Common Shares and, if necessary, execute such written
consents of the Company's shareholders, necessary to authorize the Company to
purchase the Purchased Shares. The Company will notify Bobel about any S
corporation distributions stipulated in Section 4.3 of this Agreement and the
Company will transfer to Bobel all proceeds due as a result of such
distributions, as directed and instructed by Bobel.

                  5.7 NOTICES. All notices and other communications required or
permitted hereunder will be in writing and will be deemed to have been duly
given when delivered in person or five business days after being sent by
registered or certified mail, return receipt requested, postage prepaid or when
dispatched by electronic facsimile transfer (if confirmed in writing by mail
simultaneously dispatched) or one business day after having been dispatched by a
nationally recognized overnight courier service, to the appropriate party at the
address or facsimile number specified below:

                           If to Practical or Bobel:

                                    Practical Innovations, Inc.
                                    640 Leland Court
                                    Lake Forest, Illinois 60045
                                    Attention:  Mr. Andrzej Bobel
                                    Facsimile No.: (847) 615-8776

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                           If to the Company:

                                    Technical Consumer Products, Inc.
                                    300 Lena Drive
                                    Aurora, Ohio 44202
                                    Attention:  Mr. Ellis Yan
                                    Facsimile No.:  (330) 995-6188

                                    with a copy to:

                                    Jones, Day, Reavis & Pogue
                                    North Point
                                    901 Lakeside Avenue
                                    Cleveland, Ohio 44114
                                    Attention:  Erin E. Karzmer, Esq.
                                    Facsimile No.:  (216) 579-0212

                  Any party hereto may change its address or facsimile number
for the purposes of this Section 5.7 by giving notice as provided herein.

                  5.8 GOVERNING LAW. This Agreement is made under and will be
construed and interpreted in accordance with and governed by the internal laws
of the State of Illinois.

                  5.9 HEADINGS. The headings contained in this Agreement are
included for purposes of convenience only, and will not affect the meaning or
interpretation of this Agreement.

                  5.10 FACSIMILE SIGNATURES. This Agreement may be executed and
delivered by facsimile and upon such delivery the facsimile signature will be
deemed to have the same effect as if the original signature had been delivered
to the other party.

                  5.11 COUNTERPARTS. This Agreement may be executed in two or
more counterparts, each of which will be deemed an original, but all of which
together will constitute one and the same instrument.

                       [SIGNATURES ON THE FOLLOWING PAGE]

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                  IN WITNESS WHEREOF, the parties have executed this Agreement
as of the day and year first above written.

                                   TECHNICAL CONSUMER PRODUCTS, INC.

                                   By: /s/ Ellis Yan
                                      -----------------------------------------
                                        Ellis Yan
                                        President and Chief Executive Officer

                                   PRACTICAL INNOVATIONS, INC.

                                   By: /s/ Andrzej Bobel
                                      -----------------------------------------
                                        Andrzej Bobel
                                        President

                                     /s/ Andrzej Bobel
                                    -------------------------------------------
                                    ANDRZEJ BOBEL, in his individual capacity<PAGE>
                                                                   EXHIBIT 10.8

                                   AGREEMENT

         THIS AGREEMENT is made and entered-into this 18th day of June, 1996, by
and between Technical Consumer Products, Inc. (herein after "TCP"), an Ohio
corporation, having principal office located at 23632 Mercantile Rd., Unit A, in
Beachwood, Cuyahoga County, Ohio, U.S.A., represented by Ellis Yan, President

and

         PRACTICAL INNOVATIONS, INC. a Delaware corporation represented by its
President, Andrzej Bobel (herein after "PRACTICAL"), having principal place of
business at 201 Norman Court, Des Plaines, Illinois 60016, U.S.A.

         WHEREAS PRACTICAL owns technology related to Electronic Ballasts for
Gas Discharge Lamps; and PRACTICAL has knowledge of Engineering, Development,
Design, Manufacturing, and Market of Electronic Ballasts; and

         WHEREAS TCP is desirous of acquiring rights to use this technology and
use PRACTICAL's knowledge;

         NOW, THEREFORE, based on the mutual consideration herein specified, the
parties hereto agree as follows:

         1. DEFINITIONS

         1.01 "PATENT MATTER" shall mean: the inventions as specifically defined
in "EXHIBIT ONE" and "EXHIBIT TWO" hereto or any additional exhibit subsequently
agreed-on and attached to this agreement any time in the future.

         1.02 "PRODUCTS" shall mean and include: (i) any and all types of
electronic ballasting means and/or systems suitable for powering gas discharge
lamps, as well as any and all other types of products which include the
ballasting means based on or derived from the PATENT MATTER or KNOW-HOW, or (ii)
any and all ballasting means and/or systems suitable for powering gas discharge
lamps, as well as any and all other types of products which include any
ballasting means developed, engineered, designed and/or provided by PRACTICAL to
TCP and not related to the PATENT MATTER, or (iii) any and all products based on
or derived from KNOW-HOW or any product developed, engineered, designed and/or
provided by PRACTICAL to TCP.

         1.03 "SELLER" shall mean (i) TCP to the extent that TCP sells or acts
as the marketing agent for PRODUCTS, and (ii) TCP's marketing agent(s) and/or
licensee(s) to the extent that TCP uses or permits other persons or entities to
sell PRODUCTS under any kind of licensing and/or restricted marketing
arrangement.

         1.04 "NET SALES" shall mean SELLER'S gross selling price of PRODUCTS,
less the following items: (i) trade

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discounts actually deducted, (ii) credits actually deducted for PRODUCTS
returned, and (iii) taxes, if any, collected and remitted by the SELLER.

         1.05 "KNOW-HOW" shall mean and includes ANY AND ALL INFORMATION
disclosed by PRACTICAL to TCP in one of the following form: oral - confirmed in
writing, written, graphic, and/or sample form, or which is obtained by TCP from
access to a facility of PRACTICAL, and such information is related to:  PATENT
MATTER; PRODUCTS; manufacture; use; sale of PRODUCTS; electronic lighting;
electronic ballasts for gas discharge lamps; gas discharge lamps; market of
lighting; market research and studies; competitive analysis; and other related
information.

        1.06 "TERRITORY" shall means and include: all countries of the world.

        2. GRANT
         Subject to termination and modification rights retained herein,
PRACTICAL hereby grants and transfers to TCP non-exclusive rights to
manufacture, use and sale of PRODUCTS, as defined above.

        3. WARRANTY
         PRACTICAL warrants that: to the best of its knowledge it owns all
right, title and interest in or to the PATENT MATTER, and (i) it does not know
of any right, title or interest of, any person or entity other than PRACTICAL in
or to the PATENT MATTER.
         No warranties other than as specifically stated herein the expressed or
implied relative to the PATENT MATTER and/or relative to any rights that any
third party may assert in respect to the manufacture, use or sale of PRODUCTS.

         4. LICENSE FEE AND ROYALTIES
         4.01 Licensing Fee ("LF"):
         TCP shall pay PRACTICAL a nonrefundable - Licensing Fee (LF) in the sum
of Two Hundred Fifty Thousand Dollars (US $250,000) upon execution of this
AGREEMENT.

         4.02 Monthly Total Royalty Amount ("MTRA"):
         In addition to the License Fee, TCP shall pay PRACTICAL a nonrefundable
royalty as follows:
         - For each and every calendar month during the term of this AGREEMENT
and/or as long as PRODUCTS are sold by SELLER, the Monthly Total Royalty Amount
(MTRA) paid to PRACTICAL shall equal to: Twenty Five Cents ($US0.25) multiplied
by the total number of units of PRODUCTS sold during that particular month.
However, in no case shall the Monthly Total Royalty Amount (MTRA) be less than
four percent (4%) of the NET SALES of the particular month.

         4.03 Monthly Minimum Royalty Payments ("MMRP"):

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        Notwithstanding the amount of NET SALES, TCP shall pay to PRACTICAL
the Monthly Minimum Royalty Payments (MMRP) according to the following
schedule:
         For each and every calendar month during the term of this AGREEMENT
and/or as long as PRODUCTS are sold by SELLER, the "Monthly Minimum Royalty
Payment" shall be paid on or before the last day of the following month, and
shall be equal to:

         A) Two Thousand Dollars ($US2,000.00) per each month of the First Six
Calendar Months ("FSCM") following a calendar month in which the sale of
PRODUCTS reached for the first time One Thousand (1,000) units or more;

         B) Four Thousand Dollars ($US4,000.00) per each month of the Second
Six Calendar Months ("SSCM") following the First Six Calendar Months (FSCM);

         C) Six Thousand Dollars ($US6,000.00) per each month of the Second
Twelve Calendar Months ("STCM") following the First Six Calendar Months (FSCM)
and the Second Six Calendar Months (SSCM), and

         D) Eight Thousand Dollars ($US8,000.00) per each month of the Third
Twelve Calendar Months ("TTCM") following the Second Twelve Calendar Months
(STCM) and any calendar months thereafter.

         4.04 Monthly Additional Royalty Payments ("MARP"):
         In addition to the payments of Monthly Minimum Royalty Payments (MMRP),
for each and every calendar month, on or before the last day of the month
following such calendar month, TCP shall pay to PRACTICAL a "Monthly Additional
Royalty Payment", if any. For each calendar month, this Additional Payment shall
be equal to the difference between:
-  the "Monthly Total Royalty Amount" calculated for that particular month, as
provided in Paragraph 4.02, and
-  the "Monthly Minimum Royalty Payment" paid to PRACTICAL, as provided in
Paragraph 4.03.

         4.05 Payments according to paragraphs 4.02, 4.03, 4.04 shall be made
for as long as either: (i) the PRODUCTS are covered by at least one claim of one
of PRACTICAL's pending or issued unexpired U.S. patents, or (ii) the PATENT
MATTER contains at least one pending or issued unexpired U.S. patent, or (iii)
the PRODUCTS sold have been Developed, and/or Engineered, and/or Designed, and
provided by PRACTICAL to TCP, (iv) or PRODUCTS have been developed by TCP
based on, or derived from: (i) PATENT MATTER and/or KNOW-HOW, or (ii) any
product Developed, and/or Engineered, and/or Designed, and/or provided by
PRACTICAL to TCP.

        5. OTHER PROVISIONS
        5.01 PRACTICAL will provide to TCP the following:
     -  provide engineering expertise along with complete and detailed designs
        including schematic diagram and Bill

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        of Material of each PRODUCT model, as described and scheduled in
        EXHIBIT TWO;

     -  assist with selection of production materials and components for each
        PRODUCT model;

     -  assist with selection of suppliers and supplier relation development
        along with coordination of custom parts development;

     -  assist with coordination of all necessary regulatory approvals;

         In order for PRACTICAL to provide the required services, TCP will pay
all expenses of PRACTICAL including: all approved in writing by TCP travel
expenses, shipping expenses, parts purchasing expenses, third party costs of
special custom parts development design.

         5.02 PRACTICAL will be not obligated to provide any service to TCP
whenever TCP is not in compliance with any Paragraph of this AGREEMENT at the
time and written notice is given under paragraph 5.04 and TCP has not remedied
the default. Accordingly, in the event that any monthly royalty payment made to
PRACTICAL falls below the Monthly Minimum Royalty Payment as specified herein
above, or in the event that TCP did not comply with paragraph 5.22 of this
AGREEMENT, PRACTICAL shall have the right to withdraw permanently, by giving
written notice and providing that TCP has not remedied the default as permitted
in paragraph 5.04, the rights granted hereunder will be revoked permanently, and
PRACTICAL shall not be obligated to provide to TCP any further service work, as
outlined above, and TCP shall pay PRACTICAL, within 15 days from the date of the
written notice, the balance of the royalty due at the time.

         5.03 In the event that: (i) the license granted hereunder is terminated
as per paragraph 5.04 and SELLER continues to sell PRODUCTS, then TCP shall
nevertheless remain obligated to make monthly Royalty Payments to PRACTICAL
according to paragraphs 4.02, 4.03, 4.04. Furthermore, in such event PRACTICAL
shall retain the rights defined in paragraph 5.22.

         5.04 If either party shall be in default in any terms of this
AGREEMENT, the other party may give written notice of its intention to terminate
this AGREEMENT, specifying such default. Unless the default is not remedied
within thirty (30) days after the date of receipt of such notice, this AGREEMENT
shall terminate as of the expiration of such thirty (30) day period.

         5.05 If any payment due under this AGREEMENT is not timely paid, then
the unpaid balance shall bear interest until paid at an annual rate of 15% until
the delinquent balance is paid. Such interest shall be compounded monthly.

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         5.06 TCP may transfer or assign any or all of its rights and
obligations under this AGREEMENT, provided however that PRACTICAL approves each
such transfer in writing and PRACTICAL received a reasonable consideration
therefor. The nature and amount of this consideration must be acceptable to both
TCP and PRACTICAL.

         5.07 If TCP plans to grant any sublicenses hereunder of the nature
contemplated by paragraph 5.06 above, it shall notify PRACTICAL immediately
about any such plans or grants before such grant take effect, and shall provide
PRACTICAL with a true copy of any sublicense agreement. Any and all sublicensees
of TCP under this AGREEMENT shall be bound by all of the terms applying to TCP
hereunder and TCP shall be responsible for obligations and duties of any of its
sublicensees.

         5.08 TCP hereby warrants that it will not acquire any new technologies
and/or inventions related to electronic ballasts or hybrid (magnetic-electronic)
ballast for gas discharge lamps by entering into a some form of licensing
agreement with any third party other than PRACTICAL - without first making a
formal written request to PRACTICAL. If PRACTICAL is not willing or is unable
to provide such new technology (competitive design having a competitive cost) to
TCP within sixty (60) days of PRACTICAL's receipt of TCP's request on terms
mutually acceptable to TCP and PRACTICAL, then TCP shall have the right to
acquire the technology from any other third party.

         5.09 TCP shall mark all PRODUCTS with the legend "Patent Pending" until
any patent(s) issue from the PATENT MATTER. When any patent(s) issue, PRACTICAL
shall promptly notify TCP and thereafter TCP shall mark all PRODUCTS with
proper notice of patent marking under 35 U.S.C. Section 287. This will only
apply to PRODUCTS sold under TCP owned brand and/or trade names.

         5.10 If either party discovers that the PATENT MATTER is infringed upon
by a third party, it shall communicate the details to the other party. TCP shall
thereupon have the right, but not the obligation, to take whatever action he
deems necessary, including the filing of lawsuits, to protect the right of the
parties to this AGREEMENT and to terminate such infringement. PRACTICAL shall
cooperate with TCP, but all of TCP's expenses due to actions initiated by TCP
shall be borne by TCP. Upon resolution of any of such action of TCP, by final,
non-appealable judicial order or settlement or otherwise, the proceeds which may
be awarded in the final resolution shall be distributed as follows: all third
party (outside) legal expenses of TCP associated with such action shall be paid
first from the amount of award, and any amount left above such expenses shall be
divided equally between TCP and PRACTICAL.

        5.11 In the event that TCP receives notice that a PRODUCT infringes the
patent rights of others, and TCP

                                     Page 5

<PAGE>

decided to continue sell PRODUCTS, notwithstanding the amount of NET SALES, TCP
shall pay, without interruptions, any and all amounts due PRACTICAL under this
AGREEMENT, into an interest-bearing escrow account. PRACTICAL shall not be paid
any royalty payments if TCP is forced and decided, in view of the notice, not to
sell PRODUCTS and actual NET SALES are equal to zero U.S. Dollars ($US0.0). The
money placed into the escrow account shall not be used to pay any expenses of
TCP associated with defensive or offensive action in such event.
         Upon resolution of any such action, by final, non-appealable judicial
order or settlement or otherwise, the proceeds from the escrow account shall be
distributed as directed or agreed in any such final resolution.

         5.12 Except as specified in paragraph 3, nothing herein shall be
construed as a warranty or representation by PRACTICAL as to the scope or
validity of the PATENT MATTER of any patent(s) issuing thereon. TCP, as the
manufacturer of PRODUCTS, will be solely responsible for defending any claims
against it for design defect or patent infringement claims arising from the
manufacture, sale or use of all models of PRODUCTS. TCP will also defend and
hold PRACTICAL harmless against any such claims for damages and TCP will not sue
PRACTICAL as a result of any such claim. In the event of any such proceeding
against PRACTICAL, it will be pursued in accordance with the requirements of
paragraph 5.20 hereof.

         5.13 TCP and PRACTICAL hereby agree to effectively cooperate, to the
best of their abilities, in the process of design, verification, qualification
for manufacturing and sale or use of all models of PRODUCTS. In the event that
TCP receives notice that a PRODUCT infringes the patent rights of others,
PRACTICAL and TCP agree to effectively cooperate and produce the best possible
defensive position, and PRACTICAL further agrees, to the best of his abilities,
to help TCP in preparation of the defensive position, and PRACTICAL agrees to
deliver to TCP, if possible, alternate designs of PRODUCTS to avoid the
infringement and permit TCP to manufacture and sell PRODUCTS.

         5.14 If TCP shall go into receivership, bankruptcy, or insolvency, or
make an assignment for the benefit of creditors or go out of business, this
AGREEMENT shall be immediately terminable by PRACTICAL by written notice, but
without prejudice in regards to any rights of PRACTICAL hereunder.

         5.15 This AGREEMENT shall be binding upon and shall inure to the
benefit of the parties hereto and their respective successors and assigns
including any and all worldwide subsidiaries, affiliates, suppliers, customers,
and legal representatives.

                                     Page 6

<PAGE>

         5.16 PRACTICAL hereby directs TCP to make all payments due PRACTICAL
under this AGREEMENT payable to "Practical Innovations, Inc" by a check or wire
transfer to a designated bank account at any U.S. Bank.

         5.17 Neither TCP nor PRACTICAL shall challenge or contest the validity
of this AGREEMENT. TCP agrees and warrants that TCP or any SELLER will not
challenge or contest the validity of any patent applications or issued patents
owned by or assigned to PRACTICAL or Andrzej Bobel.

        5.18 In the event that either party hereto shall be required, or shall
deem it necessary or advisable, to give notice to the other party, such notice
shall be served upon the other party by depositing said notice in the United
States mail, postage paid certified mail with return receipt requested, and
addressed to:

                             Ellis Yan, President
                           Technical Consumer Products, Inc.
                           23632 Mercantile Rd., Unit A
                           Beachwood, Ohio 44122

                                       or
                            Andrzej Bobel, President
                          Practical Innovations, Inc.
                                201 Norman Court
                          Des Plaines, Illinois 60016

as appropriate. Any notice so given shall be deemed received on the third
business day following its deposit in the U.S. mail. Either party hereto may
change the address at which such party shall receive notices hereunder by
giving notice of such change of address to the other party hereto in accordance
with the provisions of this paragraph.

         5.19 TCP may cancel all its rights and obligations under this
AGREEMENT at any time provided if it so cancels: (i) TCP shall keep in
confidence any and all proprietary information received from PRACTICAL under or
in connection with this AGREEMENT; (ii) TCP shall pay to PRACTICAL all payments
due under this AGREEMENT up to the time of cancellation; and (iii) TCP shall
refrain from manufacturing, use, sale and/or marketing PRODUCTS, as well as
from using the PATENT MATTER in any way, except sale of current inventories for
which royalties shall be paid as provided hereunder.

         5.20 If any dispute arises under this AGREEMENT, the parties shall
negotiate in good faith to settle such dispute. If the parties cannot resolve
such dispute themselves, then they shall submit the dispute to arbitration by
any mutually-acceptable arbitrator. If no arbitrator is mutually acceptable,
then the parties shall submit the matter to arbitration under the rules of the
American Arbitration Association ("AAA"). Under any arbitration, both parties
shall cooperate with and agree to

                                     Page 7

<PAGE>

abide finally by any decision of the arbitration proceedings. If the AAA is
selected, the arbitration shall take place under the auspices of the nearest
branch of the AAA convenient to both parties. The cost of the arbitration
proceedings shall be born according to the decision of the arbitrator, who may
apportion costs equally, or in accordance with any finding of fault or lack of
good faith of either party. The arbitrator's award shall be non-appealable and
enforceable in any court of competent jurisdiction.

         5.21 TCP shall use its best effort to maintain in confidence all
proprietary matters associated with the PATENT MATTER and/or PRODUCTS, as well
as any other Proprietary or Confidential Information or Trade Secrets
("PROPRIETARY MATTER") provided by PRACTICAL in connection with this AGREEMENT.
         To the extent reasonably necessary, PROPRIETARY MATTER may be disclosed
to those employees or agents of TCP who are reasonably required to have access
to the PROPRIETARY MATTER in order to accomplish TCP's manufacturing, sale
and/or marketing of the PRODUCTS. However, any disclosure of PROPRIETARY MATTER
to an employee of TCP shall be made under circumstances whereby such employee
signs a confidentiality agreement and understands its obligation to maintain in
confidence all PROPRIETARY MATTER received from TCP or PRACTICAL.

         5.22 TCP shall keep accurate records of all operations under this
AGREEMENT, and shall furnish to PRACTICAL written MONTHLY STATEMENTS OF SALES.
These statements shall include monthly data as follows:
1.   Total Quantity of units of PRODUCTS sold during the month, list each model
     separately
2.   Total of Gross Sales for the month with listed amounts for each PRODUCT
     model separately
3.   Total of all Discount actually deducted, with listed amounts for each
     discount category
4.   Total deductions for sales returns, with listed amounts for each PRODUCT
     model separately
5.   Total of NET SALES for the month
6.   Monthly Total Royalty Amount based on NET SALES, equal to Four Percent
     (4%) of NET SALES
7.   Monthly Total Royalty Amount based on quantities sold, equal to a result of
     multiplication of Twenty Five Cents times Total Quantity (as per "1" above)
8.   Monthly Minimum Royalty due, as per Paragraph 4.03 of this AGREEMENT
9.   Amount of Royalty due PRACTICAL for the month, equal to:
-    the amount stated in "8", if "8" is lager than "6" or "7",
or
-    larger of the amounts stated in "6" or "7"

These statements are to be provided to PRACTICAL together with monthly Royalty
Payments according to paragraph 4.02. Also, PRACTICAL shall have the right, at
his own expense and not more often than quarterly, to have TCP's books

                                     Page 8

<PAGE>

examined by Certified Public Accountant ("CPA") for the purpose of verifying
the Monthly Statements of Sales. In the event that variance of at least ten
percent (10%), damaging PRACTICAL, is found between TCP's statements and
findings of the CPA, then TCP will pay to PRACTICAL within 30 days the amount
equal to three times of the variance plus all costs of the audit fees charged by
the PRACTICAL's CPA, and fully cooperate with the CPA in regards to any and all
requested documents related to, but not limited to, any and all past statements
delivered to PRACTICAL by TCP. For the purpose of verifying the statements, TCP
agrees to inform PRACTICAL in writing, within 15 days, about any and all
additional, contracted, leased, controlled or owned by TCP, manufacturing or
warehousing sites and locations, that assemble, sub-assemble, ship, or sell
PRODUCTS.

         5.23 PRACTICAL will deliver to TCP, on execution of this AGREEMENT,
copy of the patent application covering the PATENT MATTER. TCP will maintain
such materials, as PROPRIETARY MATTER, in strict confidence.

         5.24 This AGREEMENT shall be construed and interpreted in accordance
with the laws of the State of Illinois.

         5.25 This AGREEMENT may be altered or amended except in writing, signed
by the parties hereto or their respective successors and assigns. This AGREEMENT
supersedes all other negotiations and discussions between the parties regarding
the subject matter hereof.

         5.26 TCP represents and warrants that the execution and delivery by it
of this AGREEMENT has been authorized by appropriate action of its Board of
Directors in accordance with provisions of law and its by-laws.

         IN WITNESS WHEREOF the parties hereto have duly executed this AGREEMENT
on the day and year first above written.

Technical Consumer Products, Inc. (TCP)

                                        Signed per our conversation of
                                        June 18, 1996, A.M., with 30 day
By:  /s/ Ellis Yan        6/18/96       grace period for review by attorney
   ---------------------------------
    Ellis Yan, President

Practical Innovations, Inc.

By: /s/  Andrzej Bobel    6/18/96
   ----------------------------------
   Andrzej Bobel, President

                                     Page 9

<PAGE>

                                  EXHIBIT ONE

         This EXHIBIT ONE, relates to an Agreement between Technical Consumer
Products, Inc., an Ohio corporation, and Practical Innovations, Inc., a Delaware
corporation dated June __, 1996, and relates to Electronic Ballasts for gas
discharge lamps.

         The words printed in capital letters and used herein shall have the
same meaning as they have in the AGREEMENT identified above.

         This EXHIBIT ONE defines the term PATENT MATTER referred to in said
AGREEMENT and shall be considered as part of that AGREEMENT.

         The term PATENT MATTER is defined as invention and all its teachings,
embodiments and modifications as described in the following U.S. Patent
Application filed on May 30, 1996:

TITLE:
"ELECTRONIC BALLAST FOR GAS DISCHARGE LAMP HAVING PRIMARY AND AUXILIARY
RESONANT CIRCUITS".

INVENTOR:
Andrzej Bobel, 201 Norman Court, Des Plaines, Illinois, 60016, U.S.A., Citizen:
U.S.A., President of PRACTICAL

         The "Abstract" of the above patent application is attached hereto and
is a part of this EXHIBIT ONE.

         This EXHIBIT ONE is mutually accepted and agreed-to by TCP and
PRACTICAL; and shall constitute an integral part of subject AGREEMENT.

Accepted and Agreed-to:
on behalf of PRACTICAL:

/s/ Andrzej Bobel                                  6/18/96
----------------------------------              ---------------
Andrzej Bobel, President                            Date

Accepted and Agreed-to
on behalf of TCP:

/s/ Ellis Yan                                      6/18/96
----------------------------------              ---------------
Ellis Yan, President                                Date

                                    Page 10
<PAGE>
                                  EXHIBIT TWO

     This EXHIBIT TWO relates to an AGREEMENT between Technical Consumer
Products, Inc. an Ohio corporation, and Practical Innovations, Inc. a Delaware
corporation, dated June ...., 1996, which relates to Electronic Ballasts for gas
discharge lamps.

     The words printed in capital letters and used herein shall have the same
meaning as they have in the AGREEMENT identified above.

     PRACTICAL will provide under this AGREEMENT designs of the following models
of ballasts:

Pos.      Voltage(V)     Lamp Type&Power          Approx. Del.Date:
--------------------------------------------------------------------------------
1.        120V           Circle-32W                 June 18, 1996
2.        120V           Circle-22W                 June 30, 1996
3.        120V           FO32T8-32W                 July 15, 1996
4.        120V           Triple-26W                 July 15, 1996

5.        120V           Triple-18W                 July 31, 1996
6.        120V           Quad 13W                   July 31, 1996
7.        120V           Panas FDL27LE            August 31, 1996
8.        120V           Panas FDL22LE            August 31, 1996

9.        120V           2D 38W                   August 31, 1996
10.       120V           2D 28W                   August 31, 1996
12.       120V           Osram 11W-Europ.      September 30, 1996

13.       120V           Linear T5, 28W        September 30, 1996
14.       120V           Linear F13T5-13W      September 30, 1996
15.       120V           Linear T5, 14W        September 30, 1996

16.       120V           Linear F15T8-15W        October 31, 1996
17.       120V           Linear F025T8-25W       October 31, 1996
***

PRACTICAL will provide total of Forty Eight (48) models within time period from
June 18, 1996 to June 30, 1997. The remaining models descriptions to complete
the above list will be gathered by TCF within 30 days of this AGREEMENT, and
attached to this AGREEMENT in the form of EXHIBIT THREE.

In the event that, TCP will require other types of models to be designed by
PRACTICAL, after the June 30, 1997 date, the "Monthly Minimum Royalty Payment"
will increase, Five Hundred Dollars ($500) per each additional model delivered

                                   Page 11
<PAGE>

by PRACTICAL, as of the following month after the delivery of such model.

The delivery of the above models will constitute of the following:
A.   Parts List - Bill of Material
B.   One prototype made on any size prototype board.
C.   Coils Specifications

     This EXHIBIT TWO is mutually accepted and agreed to by TCP and PRACTICAL;
and shall constitute an integral part of the subject AGREEMENT.

Accepted and Agreed to:
on behalf of PRACTICAL

   /s/Andrzej Bobel                                6/18/96
----------------------------------------          --------------------
     Andrzej Bobel, President                          Date

Accepted and Agreed to
on behalf of TCP:

By:/s/Ellis Yan                                    6/18/96
   -------------------------------------          --------------------
     Ellis Yan, President                              Date

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