Exhibit 10.20

                    ASSIGNMENT OF INVENTION AND PATENT RIGHTS

Inventor:         Garth W. Gobeli
Serial No:        PCT/US00/02845
Filing Date:      February 2, 2000

     For  valuable   consideration  received  or  to  be  received,  and  hereby
acknowledged,  GARTH W. Gobeli of 1004 Warm Sands Trail S.E.,  Albuquerque,  New
Mexico 87123, (hereinafter referred to as "Inventor"), hereby sells, assigns and
transfers unto ADVANCED OPTICS ELECTRONICS,  INC., a New Mexico corporation,  of
8301 Washington N.E., Albuquerque,  New Mexico 87113, its successors and assigns
(hereinafter  referred to as  "Assignee"),  the entire  interest  for the United
States of America and all foreign  countries,  including  all rights of priority
under the international  conventions and treaties, in and to a certain invention
or improvement  known as  Electro-Optic  Light Valve Array,  and described in an
international application filed in the United States Patent and Trademark Office
as Receiving Office for the Patent Cooperation  Treaty  Organization on February
2, 2000, as Attorney Docket No.  30737-PCT1,  and given  Application  Serial No.
PCT/US00/02845,   which  claims  priority  of  U.S.  application  serial  number
09/247,157,  filed  February 9, 1999,  and in all  Letters  Patent of the United
States  and  all  foreign  countries  which  may or  shall  be  granted  on said
invention, or any parts thereof, or on said application,  or on any provisional,
utility, divisional, continuing, continuation-in-part, reissue, reexamination or
other  applications  based in  whole or in part  thereon.  And  Inventor  agrees
hereafter to execute all applications,  amended  specifications,  deeds or other
instruments,  and  to do  all  acts  necessary  or  proper  in  Assignee's  sole
discretion  to secure to  Assignee  the grant of  Letters  Patent in the  United
States  and/or  in  other  countries  as  Assignee  may  determine  in its  sole
discretion,  with specifications and claims in such form as shall be approved by
Assignee's counsel,  and to vest and confirm in Assignee the legal and equitable
title and full use and benefit of all such patents.

     Inventor  hereby  authorizes  and requests the  attorneys of record in said
application  to insert in this  Assignment  the filing date and serial number of
said application when officially known.

     Inventor  further  agrees with  Assignee  that this  Assignment  covers all
processes,  specifications,  procedures,  techniques  and  other  knowledge  and
information  now or hereafter  to known to Inventor  which are not in the public
domain and which relate to the  above-mentioned  invention or  improvement,  its
manufacture,  uses or  embodiments,  or other matters (the "Related  Know-How").
Inventor  agrees to disclose or provide  all Related  Know-How to Assignee  when
discovered or upon request.

     Inventor further covenants the Assignee will, upon its request, be provided
promptly with all pertinent  facts and documents  relating to said  application,
said  invention  and said  Letters  Patent  and  legal  equivalents  in  foreign
countries as may be

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known  and  accessible  to  Inventor  and  will  testify  as to the  same in any
interference or litigation related thereto and will promptly execute and deliver
to  Assignee or its legal  representative  any and all  papers,  instruments  or
affidavits  required to apply for,  obtain,  maintain,  issue and  enforce  said
application, said invention and said Letters Patent and said equivalents thereof
in any foreign  country  which may be  necessary  or  desirable to carry out the
purposes thereof.

     Inventor's  rights in the  above-mentioned  invention  or  improvement  and
Related Know-How and any patent  application(s)  and Letters Patent thereon have
not been previously assigned,  mortgaged or otherwise  encumbered,  and Inventor
has full  right,  power and  authority  to assign  all such  rights to  Assignee
hereunder.

     As used herein,  the terms  "Inventor"  and  "Assignee"  shall include such
parties and their  heirs,  administrators,  estates,  successors  and assigns of
every kind.

     Inventor  hereby  authorizes and requests the  Commissioner  of Patents and
Trademarks  of  the  United  States,  and  all  foreign  countries'   equivalent
officials,  to issue such Letters Patent as shall be granted on said application
or applications based thereon to Assignee.

     DATED this 25th day of January, 2000.

                                                          /s/  Garth W. Gobeli
                                                          Garth W. Gobeli



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