ASSIGNMENT

   1
                                                                    EXHIBIT 6.29

                                  ASSIGNMENT


        IN CONSIDERATION OF my employment by The Texas A&M University System,
and for other good and valuable consideration, including the policies of The
Texas A&M University System for distribution of income from commercialization
of patents, the sufficiency and adequacy of which are hereby acknowledged, I
hereby:

        SELL, ASSIGN AND TRANSFER to the Texas A&M University System (the
"Assignee"), a Texas State Agency, having a place of business at College
Station, Texas 77843, the entire right, title and interest for the United
States and all foreign countries in and to any and all inventions which are
disclosed in the United States Patent Application Serial Number 08/819,701,
filed on March 12, 1997 entitled, "Apparatus for Housing and Transporting, and
Furnishing an Adjustable User-Platform for a Portable Computer," such
application and all divisional, continuing, substitute, renewal, reissue and
all other applications for patent which have been or shall be filed in the
United States and all foreign countries on any of such inventions; all original
and reissued patents which have been or shall be issued in the United States
and all foreign countries on such inventions; and specifically including the
right to file foreign applications under the provisions of any convention or
treaty and claim priority based on such applications in the United States.

        AUTHORIZE AND REQUEST the issuing authority to issue any and all United
States and foreign patents granted on such inventions to the Assignee;

        WARRANT AND COVENANT that no assignment, grant, mortgage, license or
other agreement affecting the rights and property herein conveyed has been or
will be made to others by the undersigned, and that the full right to convey
the same as herein expressed is possessed by the undersigned;

        COVENANT, when requested and at the expense of the Assignee, to carry
out in good faith the intent and purpose of this assignment, the undersigned
will execute all divisional, continuing, substitute, renewal, reissue and all
other patent applications on any and all such inventions; execute all rightful
oaths, declarations, assignments, powers of attorney and other papers;
communicate to the Assignee all facts known to the undersigned relating to such
inventions and the history thereof; and generally do everything possible which
the Assignee shall consider desirable for vesting title to such inventions in
the Assignee, and for securing, maintaining and enforcing proper patent
protection for such inventions;

        TO BE BINDING on the heirs, assigns, representatives and successors of
the undersigned and extend to the successors, assigns and nominees of the
Assignee.

        IN WITNESS WHEREOF, I have hereunto set my hand this 27 day of August,
1997.


By:     /s/ XXXXXX X. XXXXXXXXX
        -----------------------------
        Xxxxxx Xxxxxxxxx

                                                  NOTARY PUBLIC STATE OF TEXAS
Date:   August 27, 1997                           XXXXXXXXX X. XXXXXXX
        -----------------------------             Notary Public, State of Texas
                                                  My Commission Expires
                                                  MAY 24, 2000

THE STATE OF TEXAS
COUNTY OF BRAZOS

        Before me, the undersigned, a Notary Public, on this day personally
appeared Xxxxxx X. Xxxxxxxxx, known to me to be the person whose name is
subscribed in the foregoing instrument, and acknowledged to me that he
executed the same for the purposes and consideration therein expressed.

        GIVEN UNDER MY HAND AND SEAL OF OFFICE on this 27 day of August, 1997.


                                        /s/ XXXXXXXXX X. XXXXXXX
                                        ---------------------------------------
                                        Notary Public Signature