Document:

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                                                                   EXHIBIT 10.9

Confidential Treatment. The portions of this exhibit that have been replaced
with "[*****]" have been filed separately with the Securities and Exchange
Commission and are the subject of an application for confidential treatment.

                            PATENT LICENSE AGREEMENT

                ERICSSON INC. and CENTURION INTERNATIONAL, INC.

           This AGREEMENT is made by and between Ericsson Inc., a corporation
of Delaware, which has a place of business at Mountain View Road, Lynchburg, VA
24502 (hereinafter referred to as "ERICSSON"), and Centurion International,
Inc. which has a place of business at 3425 North 44th Street, Lincoln, NE 68504
(hereinafter referred to as "LICENSEE").

           WHEREAS, ERICSSON represents that it is the owner of the LICENSED
PATENT (as defined in Article I hereof) and has the right to grant licenses
thereunder, and

           WHEREAS, LICENSEE desires to obtain from ERICSSON a non-exclusive,
royalty-bearing license under the LICENSE PATENT to make, use and sell or
otherwise dispose of, PRODUCTS as defined hereinafter, and

           WHEREAS, ERICSSON is willing to grant the same on the terms and
conditions hereinafter set forth.

           NOW, THEREFORE, in consideration of the premises and the mutual
covenants of this AGREEMENT, the parties hereto agree as follows:

                                   ARTICLE I
                                  DEFINITIONS

For purposes of this Agreement:

1.1        "LICENSED PATENTS" means:
           (a)       United States Patent No. 4,709,201 issued to Schaefer on
                     November 24, 1987 for "PORTABLE RADIO BATTERY PACK WITH
                     ON-OFF SWITCH"; and
           (b)       United States Patent No. Des. 320,379 issued to
                     Cullbertson on October 1, 1991 for "BATTERY FOR A PORTABLE
                     RADIO"; and
           (c)       United States Patent No. Des. 320,974 issued to
                     Cullbertson on October 22, 1991 for "BATTERY FOR A
                     PORTABLE RADIO"; and
           (d)       United States Patent No. Des. 301,228 issued to
                     Cullbertson on May 23, 1989 for "BATTERY FOR A PORTABLE
                     RADIO"; and
           (e)       United States Patent No. Des. 300,132 issued to
                     Cullbertson on March 7, 1989 for "BATTERY FOR A PORTABLE
                     RADIO"; and
           (f)       United States Patent No. Des. 310,813 issued to
                     Cullbertson on September 25, 1990 for "BATTERY FOR A
                     PORTABLE RADIO";
           which are assigned to Ericsson Inc.; and any reissues, divisions,
           extensions, continuations or foreign equivalents thereof.

1.2        "PRODUCT(S)" means any item or components thereof, made, used or
           sold by LICENSEE, and covered by any claim of the LICENSED PATENTS
           during the

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           respective terms thereof including any products which employ or
           practice the METHODS.

1.3        "METHOD" or "METHODS" means any process or techniques practiced by
           LICENSEE or LICENSEE'S customers, and covered by any claim of the
           LICENSED PATENTS during the respective terms thereof.

1.4        "IMPROVEMENTS" means any modification upon PRODUCTS or METHODS
           including any invention made during the life of this AGREEMENT, and
           any part, or a combination of parts, or a method of using of
           manufacturing either of the foregoing.

1.5        "Sell" or "sold" or "selling" or "sale" or any similar word used in
           this AGREEMENT includes the expression "otherwise disposed of" and
           means the delivery of PRODUCTS by LICENSEE to others regardless of
           the basis for compensation, if any, including lease, rent or similar
           transaction, whether as an individual item or as a component or
           constituent of other products; and the putting into use of PRODUCTS
           by LICENSEE for any purpose other than routine testing thereof.

1.6        "TECHNICAL INFORMATION" means technical information relating to a
           portable radio battery pack with an on-off switch, related devices
           and protocols including, but not limited to: Inventions; know-how;
           drawings; plans; product, process and equipment specifications;
           operation and control instructions; and software.

1.7        "TECHNICAL INFORMATION of ERICSSON" means TECHNICAL INFORMATION to
           the extent developed for or by ERICSSON, and which ERICSSON has the
           right to provide without payment of compensation to others.

1.8        "TECHNICAL INFORMATION of LICENSEE" means all TECHNICAL INFORMATION
           of LICENSEE relating to METHODS and PRODUCTS invented, designed,
           developed, manufactured, or used for or in the manufacture or use of
           PRODUCTS to the extent available to and developed by or for LICENSEE
           during the life of this AGREEMENT, and which LICENSEE has the right
           to provide without payment of compensation to others.

                                   ARTICLE II
                              LICENSES AND RELEASES

2.1        ERICSSON hereby grants and agrees to grant to LICENSEE and LICENSEE
           hereby accepts a nonassignable, non-exclusive, royalty bearing
           license under the LICENSED PATENTS to make, have made, use, and
           sell, PRODUCTS throughout the world provided, however, that LICENSEE
           shall have no right under the license granted in this Section 2.1 to
           sell any PRODUCTS which are Factory Mutual certified or CSA A+B
           certified. Unless sooner terminated in accordance with the
           provisions of this AGREEMENT, such grant shall continue until
           expiration of LICENSED PATENTS, or any reissue, extension,
           divisional or continuations thereof.

                                      -2-
<PAGE>   3

2.2        As part consideration for the licenses granted in 2.1, LICENSEE
           hereby grants and agrees to grant to ERICSSON and its parent and
           subsidiaries a non-exclusive, royalty-free irrevocable license to
           make, have made, use and sell throughout the world said developments
           or IMPROVEMENTS relating to METHODS and PRODUCTS and all patents of
           all countries covering such IMPROVEMENTS.

2.3        The licenses granted by ERICSSON to LICENSEE under this Article II
           do not include any right to sublicense others.

2.4        No rights are granted or implied by this AGREEMENT under any United
           States patents for any purpose whatsoever, except those specifically
           granted under the foregoing provisions of this ARTICLE II, and no
           rights are granted or implied by this AGREEMENT under any patent of
           any foreign country except as otherwise provided in this ARTICLE II.

2.5        Nothing contained in this AGREEMENT shall be construed as creating a
           joint venture, partnership or similar arrangement between the
           parties.

2.6        Nothing contained in this AGREEMENT shall be construed as preventing
           or restricting either party from manufacturing, using, or selling
           any product in any country or territory, it being understood,
           however, that no rights under any patents or information are granted
           hereunder, either expressly or by implication, for any purpose
           whatsoever, except those specifically granted under the foregoing
           provisions of this ARTICLE II.

                                   ARTICLE III
                        ROYALTIES, PAYMENTS, AND REPORTS

3.1        LICENSEE agrees to pay royalties at the rate provided for in
           Paragraph 3.5 on all PRODUCTS; provided, however, that the
           obligation to pay the royalties due on the LICENSED PATENT shall
           terminate as to the LICENSED PATENT on the date of an "irrevocable
           judgment," as defined in ARTICLE X, if all claims of the LICENSED
           PATENT which apply to the PRODUCT or METHOD are found invalid or
           unenforceable, except that the royalties accrued thereunder, but not
           paid prior to such date of irrevocable judgment, shall be payable
           with the next report submitted by LICENSEE under the provisions of
           Paragraph 3.4.

3.2        Under this AGREEMENT, PRODUCTS shall be considered sold when billed
           out or otherwise disposed of, except that, upon the expiration of
           the LICENSED PATENT or upon any termination of this AGREEMENT as set
           out in ARTICLE VI hereof, all PRODUCTS made on or prior to the date
           of such expiration or termination which have not been billed out or
           otherwise disposed of prior thereto shall be considered as sold and
           therefore subject to royalty payment under Paragraph 3.5.

3.3        If PRODUCTS are sold in a non-arm's length transaction or without
           compensation therefor in money, the "selling price," for the purpose
           of calculating the compensation to be paid under Paragraph 3.1 for
           such sales, shall not be less than the LICENSEE's selling

                                      -3-
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           price at which such PRODUCTS have been or currently are or would be
           sold in arm's length transactions in the ordinary course of
           business.

3.4        LICENSEE agrees to make written reports to ERICSSON within thirty
           (30) days after each calendar quarter during the life of this
           AGREEMENT, stating in each such report the number of PRODUCTS sold,
           the identification of each PRODUCT sold by LICENSEE during the
           preceding three (3) calendar months and the royalty then due and
           payable under Paragraph 3.5.  This report shall be submitted even if
           no sales were made during the current reporting period.  The first
           such report shall not be due until the first quarter after the
           effective date of this AGREEMENT and shall include all PRODUCTS sold
           during the period between the effective date of this AGREEMENT and
           the first quarter.  The obligation to make these reports shall
           terminate as of the date of expiration of the last to expire of the
           LICENSED PATENTS or the date of an irrevocable judgment as defined
           in Article X, except as to PRODUCTS sold thereunder, but not
           reported prior to such date of expiration or irrevocable judgment.

3.5        Concurrently with the making of each such report required under
           Paragraph 3.4, LICENSEE agrees to pay royalties to ERICSSON on
           PRODUCTS included therein at the rate of $[*****] per PRODUCT sold
           for the license under Paragraph 2.1.

3.6        All payments to be made by LICENSEE under Paragraph 3.5 shall be
           considered due with the reports under Paragraph 3.4. In the event
           that any payment of royalties due from LICENSEE under this AGREEMENT
           is for any reason not paid when due and becomes overdue beyond the
           due date thereof. LICENSEE shall pay to ERICSSON interest on such
           overdue payment during a period commencing from such due date until
           the date that such overdue payment is actually made to ERICSSON, the
           rate of interest being equal to three percent (3%) above the highest
           commercial prime rate of the First National City Bank, 55 Wall
           Street, New York City, New York, in effect on the date the payment
           first became due.

3.7        In order to ensure to the LICENSOR the full royalty payments
           contemplated hereunder, the LICENSEE agrees that, in the event any
           PRODUCTS shall be sold (1) to a corporation, firm, or association
           which, or individual who, shall own a controlling interest in the
           LICENSEE by stock ownership or otherwise, or (2) to a corporation,
           firm, or association in which the LICENSEE or stockholders of the
           LICENSEE, or any subsidiary company of the LICENSEE shall own,
           directly or indirectly, a controlling interest by stock ownership or
           otherwise, or (3) to a corporation, firm, or association with which,
           or individual with whom the LICENSEE or its stockholders or
           subsidiary companies shall have any agreement, understanding, or
           arrangement (such as, among other things, an option to purchase
           stock, or an arrangement involving a division of profits or special
           rebates or allowances) without which agreement, understanding, or
           arrangement, prices paid by such corporation, firm, association, or
           individual for the PRODUCTS would be higher than the net selling
           price reported by the LICENSEE, or if such agreement, understanding,
           or arrangement results in extending to such corporation, firm,
           association, or individual lower prices for PRODUCTS than those
           charged to outside concerns buying similar merchandise in similar
           amounts and under similar

           ****[CONFIDENTIAL]
                                      -4-
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           conditions, then, and in any of such events, the royalties to be
           paid hereunder in respect of such PRODUCTS shall be based upon the
           price at which the purchaser of PRODUCTS so sold resells such
           PRODUCTS, rather than upon the selling price of the LICENSEE;
           provided, however, that the LICENSEE shall not be obligated under
           the foregoing to pay a royalty based upon selling prices in excess
           of the standard price at which it or any of the organizations or
           individuals associated with it as specified in this section shall
           sell such PRODUCTS to any wholly independent jobber or distributor.

                                   ARTICLE IV
                         DISCLAIMER OF RESPONSIBILITIES

4.1        For the purposes of this ARTICLE IV the term "ERICSSON" includes
           ERICSSON, its parent and its subsidiary and affiliated companies (as
           presently or hereafter constituted) and each of them and their
           directors, officers, agents and employees.

4.2        ERICSSON makes no express warranty or representation, and no
           warranty shall by implied, and ERICSSON assumes no responsibility or
           obligation toward LICENSEE regarding the following:

           a.   Freedom of PRODUCTS, METHODS, or goods or services of
                whatsoever kind from infringement of any proprietary rights,
                including patents, of third parties.

           b.   The performance, design, operability, safety, functional
                effectiveness or marketability of PRODUCTS or any product
                manufactured or service provided by LICENSEE.

           c.   The adequacy, accuracy, interpretation or usefulness of any
                TECHNICAL INFORMATION of ERICSSON furnished to or obtained by
                other means by LICENSEE.

4.3        THE TECHNICAL INFORMATION AND LICENSES PROVIDED UNDER THIS AGREEMENT
           ARE PROVIDED WITHOUT WARRANTY OF ANY KIND, INCLUDING WITHOUT
           LIMITATION, ANY WARRANTY OF MERCHANTABILITY, FITNESS FOR A
           PARTICULAR PURPOSE OR AGAINST INFRINGEMENT.

4.4        ERICSSON shall not be liable, either directly or as an indemnitor:

           a.   For any liabilities, demands, expenses or damages, including
                special or consequential damages, incurred by LICENSEE; or

           b.   For any claim of recourse on account of claims against LICENSEE
                made by third parties, or for defending LICENSEE against such
                claims arising out of or resulting from the manufacture, use,
                or sale of PRODUCTS or any products or services by LICENSEE;

           c.   LICENSEE agrees to hold ERICSSON harmless from and indemnify
                ERICSSON against any and all liabilities, demands, expenses or
                damages arising out of or resulting from any claims brought by
                anyone not a party to this AGREEMENT in connection with the use
                of ERICSSON TECHNICAL INFORMATION or other information
                furnished by ERICSSON or in the manufacture, use, or sale of
                PRODUCTS or any products or services by LICENSEE.

                                      -5-
<PAGE>   6

4.5        As used herein "damages" include loss, injury, damage or loss of
           use, as well as "special or consequential damages" which include
           damages for loss of anticipated profits, loss of or loss of use of
           revenue, losses by reason of plaint shutdown or slowdown, cost of
           capital, claims of customers, or other similar claims. The
           provisions of this ARTICLE IV relating to limitation of or
           protection against liability shall apply regardless of fault (of
           whatever degree) and to the full extent permitted by law.

4.6        Nothing in this AGREEMENT shall be construed as an obligation on the
           part of ERICSSON to bring or prosecute actions or suits against
           third parties for infringement of any of the LICENSED PATENTS.
           Licensee agrees to notify ERICSSON of any potential or actual
           infringement by a third party of any of the Licensed Patents, and
           shall provide ERICSSON with available evidence of such infringement.

                                    ARTICLE V
                               KEEPING OF RECORDS

           During the term of this AGREEMENT and for one year thereafter,
LICENSEE agrees to keep records showing the sale of PRODUCTS in sufficient
detail to enable the amount of royalty to be paid by LICENSEE under Paragraph
3.5 hereof to be determined, and further agrees to permit its requisite books
and records to be examined from time to time to the extent necessary to verify
the reports provided for in Paragraph 3.4 hereof, such examination to be made
at the expense of ERICSSON by an auditor appointed by ERICSSON who shall be
acceptable to LICENSEE, or at the option and sole expense of LICENSEE by an
independent certified public accountant appointed by ERICSSON. Not more than
one audit shall be required of LICENSEE within any calendar year.

                                   ARTICLE VI
                              TERM AND TERMINATION

6.1        This AGREEMENT shall be effective as of the date of the last
           signature at the end hereof.

6.2        If LICENSEE shall at any time commit any breach of any covenant or
           agreement herein contained, and shall fail to remedy any such
           default or breach within thirty (30) days after written notice
           thereof by ERICSSON, ERICSSON may, at its option, terminate this
           AGREEMENT and the license granted herein by notice in writing to
           such effect. Upon the AGREEMENT being terminated due to LICENSEE's
           breach, LICENSEE shall be liable to reimburse ERICSSON for all costs
           and expenses ERICSSON incurs as a result of any action brought with
           respect to such breach of the AGREEMENT.

6.3        Unless previously terminated in accordance with the provisions of
           this ARTICLE VI, this AGREEMENT shall run for a period of three (3)
           years from the Effective Date of this

                                      -6-
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           AGREEMENT. If prior to expiration, LICENSEE gives ERICSSON timely
           written notice of its desire to renew this AGREEMENT, ERICSSON
           agrees to negotiate a renewal with LICENSEE in good faith and on
           reasonable terms.

6.4        LICENSEE shall have the right to terminate the licenses granted
           herein under the LICENSED PATENT and TECHNICAL INFORMATION of
           ERICSSON by written notice to ERICSSON at least thirty (30) days
           prior to the date such termination is to take effect, but the other
           rights granted herein to ERICSSON shall remain in full force and
           effect.

6.5        In case of the happening of any of the following events this
           AGREEMENT shall automatically terminate effective immediately:

           a.   LICENSEE shall:

                (i)       Apply for consent to the appointment of a receiver or
                          trustee of LICENSEE or any of its properties or
                          assets;
                (ii)      Make a general assignment for the benefit of
                          creditors;
                (iii)     Be adjudicated as bankrupt or insolvent; or
                (iv)      File a voluntary petition in bankruptcy or a petition
                          or an answer seeking reorganization or an arrangement
                          with creditors or to take advantage of any
                          bankruptcy, reorganization, insolvency, readjustment
                          of debt, dissolution or liquidation law or statute,
                          or an answer admitting the material allegation or a
                          petition filed against it in any proceeding under any
                          such law, or if an affirmative vote shall be taken by
                          the shareholders of LICENSEE for the purpose of
                          effecting any of the foregoing:

           b.   The shareholders of the LICENSEE resolve to discuss and
                liquidate LICENSEE; or

           c.   An order, judgment or decree shall be entered, without the
                application, approval or consent of LICENSEE by any court of
                competent jurisdiction, approving a petition seeking
                reorganization of LICENSEE or of all or a substantial part of
                the properties or assets thereof, or appointing a receive,
                trustee or liquidator thereof and such order, judgment or
                decree shall continue unstayed and in effect for a period of
                sixty (60) days.

6.6        Any termination of this AGREEMENT hereunder shall not relieve
           LICENSEE from its obligations under ARTICLE III hereof to make a
           terminal report or from its liability for payment of royalties on
           PRODUCTS sold hereunder prior to the date of such termination, and
           shall not prejudice the right of ERICSSON to recover any royalty or
           interest due or accrued at the time of such termination and shall
           not prejudice any cause of action or claim of ERICSSON accrued or to
           accrue on account of any breach or default by LICENSEE in accordance
           with the provisions of ARTICLE V hereof.

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6.7        Any termination of this AGREEMENT hereunder shall not prejudice the
           right of ERICSSON to conduct a final audit of the books and records
           of LICENSEE in accordance with the provisions of ARTICLE V hereof.

6.8        In case royalties paid do not aggregate a minimum of [*****] by the
           year ending December 31, 2000, the LICENSOR may at its option
           terminate this AGREEMENT and the license granted to LICENSEE by
           thirty (30) days notice in writing to the LICENSEE, unless the
           LICENSEE shall within thirty (30) days from receipt of such notice
           pay the LICENSOR such additional sum as may be necessary to bring the
           aggregate payment up to the specified minimum.

6.9        The following shall survive any termination of this Agreement:
           Articles IV and VIII.

                                   ARTICLE VII
                     TRANSFERABILITY OF RIGHTS AND LICENSES

7.1        The obligations of LICENSEE hereunder, including the Obligations to
           make reports and pay royalties, shall run in favor of the
           successors, assigns, or other legal representatives of ERICSSON.

7.2        LICENSEE's rights under this AGREEMENT and the license herein
           granted shall pass to any assigns for the benefit of the creditors
           of LICENSEE and to any receiver of its assets, or to any person or
           corporation succeeding to its entire business and good will in
           PRODUCTS as the result of sale, consolidation, reorganization, or
           otherwise; provided any such assignee, receiver, person or
           corporation shall, without delay, accept in writing the provisions
           of this AGREEMENT and agree to become in all respects bound thereby
           in the place and stead of LICENSEE; but shall not otherwise be
           transferred without the written consent of ERICSSON.

                                  ARTICLE VIII
                                 CONFIDENTIALITY

8.1        All TECHNICAL INFORMATION which is provided by either party
           hereunder shall be and remain the property of the Disclosing Party,
           and the Receiving Party hereby agrees to maintain such TECHNICAL
           INFORMATION confidential for a period of ten (10) years from the
           date of receipt. TECHNICAL INFORMATION shall include information
           disclosed to the Receiving Party hereunder, whether disclosed
           orally, visually or in writing.

8.2        The Receiving Party shall take reasonable steps to protect in
           confidence such TECHNICAL INFORMATION and shall disclose such
           TECHNICAL INFORMATION only to those of its employees who have a
           "need to know" such information in order to perform the purposes of
           this AGREEMENT. As a minimum, the Receiving Party will use the same
           degree of care as it uses to protect its own information of a
           similar nature,

           ****[CONFIDENTIAL]

                                      -8-
<PAGE>   9

           but no less than reasonable care, to prevent disclosure of the
           TECHNICAL INFORMATION to others.

8.3        The TECHNICAL INFORMATION shall be used solely for the purposes
           stated in this AGREEMENT. No other use, disclosure or copying of
           TECHNICAL INFORMATION is authorized without prior written consent of
           the Disclosing Party. All TECHNICAL INFORMATION submitted to the
           U.S. Government with such prior consent must bear an appropriate
           limited or restricted rights legend, such as contained in DOD FAR
           Supplement 52.227-7013.

8.4        The obligations of confidentiality with respect to TECHNICAL
           INFORMATION as set forth in this AGREEMENT, are not applicable if
           the same or similar information:

           (a)       as shown by written records, was known or available to the
                     receiving Party prior to receipt from the Disclosing
                     Party; or

           (b)       becomes known or available to the Receiving Party from a
                     third Party having the  right to disclose such
                     information; or

           (c)       as shown by written records is independently developed by
                     the Receiving Party, or

           (d)       is or becomes part of the general public knowledge or
                     literature otherwise than as a consequence of breach of
                     obligations under this AGREEMENT; or

           (e)       is  provided by the Disclosing Party to a third party,
                     except the Government of the U.S., without restrictions as
                     to disclosure or use of the kind provided for by this
                     AGREEMENT, or

           (f)       is disclosed pursuant to judicial action and no suitable
                     protective order, or equivalent is available.

                                   ARTICLE IX
                                     NOTICES

           Any reports, payment, disclosures or notices required by LICENSEE in
this AGREEMENT shall be given in writing and shall be effective when either (1)
served by personal delivery or (2) deposited, postage prepaid in the United
States Registered or Certified Mails addressed to tho parties respectively at
the following addresses:

           If to ERICSSON:
           Ericsson Inc.
           Mountain View Road
           Lynchburg, Virginia 24502
           Attn: Manager, General Accounting

                                      -9-
<PAGE>   10

           With copies of all documentation to:
           Ericsson Inc.
           Mountain View Road
           Lynchburg, VA 24502
           Attn: Manager, Strategic Product Alliances

           Tel: (804) 592-7308
           Fax: (804) 592-6387

           If to LICENSEE
           Centurion International, Inc.
           3425 North 44"Street
           Lincoln, NE 68504
           Attn: Mark Cockson
           Tel: (402) 474-1344
           Fax: (402) 465-1485

or to such other address or addresses as ERICSSON or LICENSEE, respectively,
may later designate by written notice to the other.

                                    ARTICLE X
                                    JUDGMENTS

           If, in any proceeding in which the validity or infringement of any
claim of the LICENSED PATENTS is in issue, a judgment or decree is entered
which becomes not further reviewable through the exhaustion of all permissible
applications for rehearing or review by a superior tribunal, or through the
expiration of the time permitted for such applications (hereinabove and
hereinafter referred to as "Irrevocable judgment"), the construction placed
upon any such claim by any such Irrevocable judgment shall be thereafter below
not only as to such claim but as to all claims to which such construction
applies, with respect to acts occurring thereafter, and, if such irrevocable
judgment holds ant claim invalid, LICENSEE shall be relieved thereafter from
including in its reports hereunder PRODUCTS sold thereafter where there is
royalty liability only by reason of such claim or any other claim in which such
irrevocable judgment is applicable, and from the performance of those other
acts which may be required by this AGREEMENT only because of any such claim;
provided, however, that if there are two or more conflicting irrevocable
judgments with respect to the same claim, the decision of the higher tribunal
shall be followed thereafter, but if the tribunals be of equal dignity, then
the decision more favorable to the claim shall be followed until the less
favorable decision has been followed by the irrevocable judgment of another
tribunal of at least equal dignity.

                                   ARTICLE XI
                            MISCELLANEOUS PROVISIONS

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<PAGE>   11

11.1       Any failure by either Party to enforce any of the provisions of this
           AGREEMENT or to require at any time performance by the other party
           of any of the provisions hereof, shall in no way affect the validity
           of this AGREEMENT or any part hereof, or the right of either Party
           thereafter to enforce each and every such provision.

11.2       Notwithstanding the fact that LICENSEE may from time to time be
           designated as an ERICSSON licensee under the LICENSED PATENTS, the
           relationship between LICENSEE and ERICSSON shall be as stated in
           this AGREEMENT, LICENSEE, its employees, its agents, subsidiaries,
           and affiliates are in no way the legal representatives or agents of
           ERICSSON for any purpose whatsoever and have no right or authority
           to assume or create, in writing cr otherwise, any obligation of any
           kind express or implied in the name of, or on behalf of ERICSSON.

11.3       Except as expressly provided in this AGREEMENT, the rights and
           obligations herein contained are not for the benefit of any third
           party.

11.4       The parties hereto agree that the terms and conditions contained in
           this Agreement shall not be disclosed to any third party, without
           the occurrence of the other party hereto.

11.5       LICENSEE agrees to not use the trademarks or trade names of
           ERICSSON, except as specifically agreed in writing by ERICSSON.

11.6       This AGREEMENT shall be construed and the legal relations between
           the Parties hereto shall be determined in accordance with the law of
           the State of Texas, U.S.A.

                                  ARTICLE XII
                          MARKING OF LICENSED PRODUCTS

           LICENSEE agrees to legibly mark all LICENSED PRODUCTS with the
LICENSED PATENT numbers or with such other patent numbers provided by ERICSSON
within a reasonable time after such notice of patent numbers. If ERICSSON
determines that it is not feasible to mark certain LICENSED PRODUCTS with the
patent numbers due to the physical size of the LICENSED PRODUCTS, LICENSEE
agrees to mark the packaging or other materials associated with the LICENSED
PRODUCTS in a manner to be specified by ERICSSON.

                                  ARTICLE XIII
                                  INTEGRATION

           This AGREEMENT constitutes the entire understanding and agreement
between the Parties relating to the subject matter hereof and supersedes and
cancels all previous agreements, negotiations, commitments and representation
in respect thereto and may not be released, discharged, abandoned, changed or
modified in any manner, except by an instrument in writing

                                      -11-
<PAGE>   12

of concurrent or subsequent date signed by a duly authorized representative of
each of the parties hereto.

           IN WITNESS WHEREOF. each cf the Parties hereto has caused this
AGREEMENT to be executed in duplicate originals by their respective duly
authorized officers or representatives.

ERICSSON INC.

By: /s/ JERRY G. KENDRICK
   -----------------------
           Name: Jerry G. Kendrick
           Title: Director Strategic Alliances
           Date: 12 October 1998

CENTURION INTERNATIONAL, INC.

By: /s/ MARK G. COCKSON
   ---------------------
           Name: Mark G. Cockson
           Title: Director, Marketing and Strategic Business Development
           Date: 1 October 1998

                                      -12-<PAGE>   1
                                                                   EXHIBIT 10.10

                            PATENT LICENCE AGREEMENT

         THIS AGREEMENT is dated the 5 day of July 1999 BETWEEN FINGLAS
TECHNOLOGIES LIMITED whose registered office is situated at McKee Avenue,
Finglas Dublin 11 (hereinafter "Finglas" which expression shall include its
successors, administrators and permitted assigns) a Company organized and
existing under the Laws of Ireland of the One Part AND CENTURION INTERNATIONAL,
LIMITED having its registered office at 2A Alton Business Park, Gatehouse Way,
Aylesbury, Buckinghamshire, HP 19 3XU, United Kingdom (hereinafter "Licensee"
which expression shall include its successors, administrators and permitted
assigns) a Company organized and existing under the Laws of England and Wales of
the Other Part.

WHEREAS:

A.       Finglas is the owner and proprietor of certain registered Patents
         specified in the First Schedule hereto.

B.       Finglas is willing to grant to the Licensee, and the Licensee is
         willing to accept, a Licence to use the Patents in accordance with the
         provisions of this Agreement.

NOW, THEREFORE, in consideration for the mutual payments and provisions herein
contained, this Agreement witnesseth as follows:

1.       DEFINITIONS

In this Agreement the following words shall have the following meanings:

"COMMENCEMENT DATE"

"IMPROVEMENTS"                      Any development to the inventions claimed in
                                    the Patents which comprise an original
                                    inventive step.

"INVENTIONS"                        The inventions claimed in the Patents.

"LICENSED PRODUCTS"                 Any and all products that are manufactured
                                    by the Licensee or its sub Licensees and are
                                    within any of the claims of the Patents.

"PARTIES"                           Finglas and the Licensee and "Party" shall
                                    mean either of them.

"PATENTS"                           Any and all of the Patents and Patent
                                    Applications referred to in the attached
                                    Schedule including any continuations,
                                    continuations in part, extensions,
                                    re-issues, divisions and including any
                                    patents, supplementary protection
                                    certificates
<PAGE>   2
                                    and similar rights that are based on or
                                    derive priority from the foregoing.

2.       GRANT

2.1      LICENCE

         Finglas hereby grants to the Licensee, subject to the provisions of
         this Agreement, a Licence to use the Patents with the right to
         sub-licence subject to Clause 2.3 below, to import, develop,
         manufacture, have manufactured, use and sell Licensed Products or to
         use the Inventions in any Licensed Products in any part of the world.

2.2      FORMAL LICENCES

         The Parties shall execute such formal Licences as may be necessary or
         appropriate for registration with Patent Offices and other relevant
         authorities.

2.3      SUB LICENSING

         The Licensee shall be entitled to grant sub licences of its rights
         under this Agreement to any person without prejudice to the continuing
         obligations of the Licensee; and provided that within 30 days of the
         grant of any sub licence, the Licensee shall provide to Finglas a true
         copy of it and that the sub licence shall include obligations on the
         sub licensee which are equivalent to the obligations on the Licensee
         under this Agreement.

3.       ROYALTY PAYMENTS

3.1      In respect of the period up to and including the 31st December 1999,
         the Licensee shall pay to Finglas royalties as follows:

         (a)      On the Commencement Date, the sum of IR pound sterling 50,000.

         (b)      Within 30 days of the Commencement Date the sum of IR pound
                  sterling 50,000.

3.2      In respect of the period 1st January 2000 up to and including 31st
         December 2000, the Licensee shall pay to Finglas a royalty of IR pound
         sterling 50,000 on the first working day after the 1st January 2000.

3.3      In respect of the period from 1st January 2001 and thereafter until the
         expiration of this agreement as set forth in Clause 6.1, the Licensee
         shall pay to Finglas royalties of IR pound sterling 1 per annum on the
         first working day of each year.

                                        2
<PAGE>   3
3.4      All sums due under this Agreement:

         (a)      are exclusive of Value Added Tax which, where applicable,
                  would be paid by the Licensee to Finglas in addition;

         (b)      shall be paid in Irish Punts;

         (c)      shall be paid without deduction of Income Tax or other taxes,
                  charges or duties that may be imposed, except and insofar as
                  the Licensee is required to deduct the same to comply with
                  applicable laws despite all reasonable cooperation on the part
                  of the Licensee;

         (d)      shall be made by the due date failing which Finglas may charge
                  interest on any outstanding amount on a daily basis at a rate
                  equivalent to 4% above the Midland Bank base lending rate then
                  in force.

3.5      The Licensee agrees to cooperate with Finglas at Finglas' reasonable
         cost to procure permission from the United Kingdom Inland Revenue
         authorities to have the royalties paid gross without deduction of tax.

4.       INFRINGEMENT QF THE PATENTS

         The Parties shall inform each other promptly if either of them becomes
         aware of any infringement or potential infringement of any of the
         Patents.

5.       WARRANTIES AND LIABILITY

5.1      Finglas warrants, represents and undertakes as follows:

         (a)      Finglas has not previously granted any Licences to use the
                  Patents to any third party.

         (b)      Finglas shall not grant any Licences to use the Patents to any
                  third party for the duration of this Agreement without the
                  consent of the Licensee.

         (c)      The Patents are not subject to any encumbrance, mortgage,
                  charge, (fixed or floating), pledge, lien, hypothecation,
                  trust, right of set-off or any third party security right or
                  interest (legal or equitable), including right of assignment
                  by way of security, reservation of title or any other security
                  interest of any kind.

         (d)      Finglas shall not transfer the Patents to any third party
                  (other than the Licensee, its holding company or any
                  subsidiary of the Licensee or its holding company) for the
                  duration of this Agreement.

                                        3
<PAGE>   4
5.1.1    NO OTHER WARRANTIES

         Each of the Licensee and Finglas acknowledges that in entering into
         this Agreement it does not do so in reliance on any representation,
         warranty or other provision except as expressly provided in this
         Agreement and any conditions, warranties or other terms implied by
         statute or common law are excluded from this Agreement to the fullest
         extent permitted by law.

5.1.2    Without limiting the scope of clause 5.1.2. nothing in this Agreement
         or the Licence granted hereunder shall be construed:

         (a)      as a representation or warranty that the Patents or any of
                  them are valid or subsisting or (in the case of patent
                  applications) will proceed to grant save that Finglas will not
                  withdraw any of the Patents which comprise patent applications
                  without prior consent of the Licensee;

         (b)      as a representation or warranty that the activities licensed
                  hereunder or any of them are not an infringement of any
                  intellectual property rights of any third parties;

         (c)      as a representation or warranty that the inventions or any
                  other information communicated by Finglas to the Licensee
                  under or in connection with this Agreement will produce
                  Licensed Products of satisfactory quality or fit for the
                  purpose for which the Licensee intended;

         (d)      as imposing any obligation on Finglas to bring or prosecute
                  actions or proceedings against third parties for infringement
                  or to defend any action or proceedings for revocation of any
                  of the Patents save that Finglas shall provide reasonable
                  cooperation and assistance to the Licensee, at Licensee's cost
                  in respect of any such actions or proceedings.

5.2      INDEMNITY

         The Licensee shall indemnify Finglas against any loss, damages, costs
         or expenses which are awarded against or incurred by Finglas as a
         result of any claim or threatened claim concerning the use by the
         Licensee or any of its sub Licensees of the Patents or otherwise in
         connection with the manufacture, use or sale of, or any other dealing
         in, any of the Licensed Products by Licensee or any of its sub
         Licensees.

5.3      LIABILITY UNDER THIS AGREEMENT

         To the extent permitted by law, the maximum limit of either party's
         liability under this Agreement whether in contract, tort, negligence,
         breach of statutory duty or otherwise

                                        4
<PAGE>   5
         shall be IR pound sterling 50,000 in aggregate. The parties agree no
         claim shall be brought against thE other under this Agreement for any
         amount less than IR pound sterling 10,000 (save in respect of payment
         obligations of the Licensee).

5.4      Notwithstanding any other provision of this Agreement, Finglas shall
         not be liable to Licensee in contract, tort, negligence, breach of
         statutory duty or otherwise for any loss, damage, costs or expenses of
         any nature whatsoever incurred or suffered by Licensee or its
         affiliates of an indirect or consequential nature including and without
         limitation any economic loss or other loss of turnover, profits,
         business or goodwill.

6.       DURATION AND TERMINATION

6.1      COMMENCEMENT AND TERMINATION BY EXPIRY

         This Agreement and the Licences granted hereunder shall come into
         effect on the Commencement Date, shall continue in force until the date
         on which all the Patents have expired or been revoked without a right
         of further appeal, until the Parties agree to terminate this Agreement
         or until Finglas no longer owns the Patents.

7.       GENERAL

7.1      AMENDMENT

         This Agreement may only be amended in writing signed by duly authorized
         representatives of Finglas and the Licensee.

7.2      NO AGENCY

         Neither Party shall act or describe itself as the Agent of the other
         nor shall it make or represent that it has authority to make any
         commitments on the other's behalf.

7.3      ASSIGNMENT AND THIRD PARTY RIGHTS

7.3.1    Subject to Clause 7.3.2 below, neither Party shall assign, mortgage,
         charge or otherwise transfer any rights or obligations under this
         Agreement nor any of the Patents or rights under the Patents without
         the prior written consent of the other Party save to the other Party or
         any United Kingdom incorporated subsidiary of either Party or a United
         Kingdom incorporated subsidiary of either Party's holding company.

7.3.2    Either Party may assign all its rights and obligations under this
         Agreement together with its rights in respect of the Patents to any
         Company to which it transfers all or part of its assets or business, or
         to any United Kingdom incorporated subsidiary of the Party conducting
         the transfer or a United Kingdom incorporated subsidiary company of
         that

                                        5
<PAGE>   6
         Party's holding company provided that the Assignee undertakes to the
         reasonable satisfaction of the other Party to be bound by and perform
         the obligations of the Assignor under this Agreement.

7.4      INTERPRETATION

         In this Agreement the headings are used for convenience only and shall
         not affect its interpretation.

7.5      LAW AND JURISDICTION

         The validity, construction and performance of this Agreement shall be
         governed by the Law of the Republic of Ireland and shall be subject to
         the exclusive jurisdiction of the Irish Courts.

7.6      SURVIVAL

         This agreement shall be binding upon and endure for the benefit of the
         successors, administrators and permitted assigns of the Parties.

7.7      ARBITRATION PROCEDURE

         (a)      Except as otherwise expressly provided herein, all claims or
                  controversies between the parties (or their permitted
                  assignees) arising out of or related to this Agreement shall
                  be finally determined by arbitration in accordance with the
                  rules in effect from time to time of the Chartered Institute
                  of Arbitrators in Ireland by one Arbitrator (selected in
                  default of Agreement between the parties by the President for
                  the time being of the Law Society of Ireland) who is
                  knowledgeable concerning the Law governing the dispute and
                  such Arbitration shall constitute an Arbitration for the
                  purposes of the Arbitration Acts 1954 to 1980.

         (b)      The arbitration shall take place in Dublin, Ireland and the
                  Language of the arbitration shall be English.

         (c)      The arbitrator shall be empowered to permit reasonable
                  discovery and shall have the authority to award all forms of
                  relief determined to be just and equitable. Any arbitral award
                  rendered pursuant to this clause shall be final and binding on
                  Buyer and Seller and may be enforced in any court of competent
                  jurisdiction. For this and any other purpose, each of Buyer
                  and Seller (i) waives any bond, surety or other security that
                  might be required of any other party with respect thereto, and
                  (ii) agrees that any part may make service on any other Party
                  by sending or delivering a copy of the process to such Party
                  at the address and in the manner

                                        6
<PAGE>   7
                  provided for the giving of notices in Section 7.9 below or in
                  any other manner permitted by law.

         (d)      In all instances of arbitration, the costs of arbitration
                  shall be borne by the unsuccessful party, except in the event
                  that determination of success is not clear- cut, in which case
                  the costs of arbitration shall be allocated by the arbitrator,
                  having due regard for the nature of the dispute, the
                  contentions of the parties and his or her decision on the
                  merits of the dispute.

7.8      NOTICES

         All notices, demands, and other communications given or delivered under
         this Agreement will be in writing and will be deemed to have been given
         when personally delivered, mailed by first class mail or recorded post
         or delivered by express courier service or telecopied. Notices, demands
         and communications will, unless another address is specified in
         writing, be sent to the address indicated above in the case of Licensee
         for the attention of Gary Kuck and in the case of Finglas for the
         attention of Peter Crowley.

                                   SCHEDULE I

<TABLE>
<CAPTION>
      PRODUCT TYPE           JURISDICTION    PATENT NO.    APPLICATION NO.
<S>                          <C>             <C>           <C>
     Plated Helix (II)       UK              N/A              C766.00/S
     Top Loading Cylinder    Ireland         S66918           (S950767)
</TABLE>

                                 *  *  *  *  *

                                       7
<PAGE>   8
         IN WITNESS WHEREOF, the Parties have caused this Agreement to be
executed by their duly authorized representatives the day and year first above
written.

SIGNED for and on behalf of
FINGLAS TECHNOLOGIES LIMITED               /s/ James A. Boyle
by
in the presence of:                        /s/ Michael G. McGinley

SIGNED for and on behalf of                /s/ Gary L. Kuck
LICENSEE by
in the presence of:                        /s/ V. Stoiljkovic

                                        8

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