
<PAGE>
 
                                                                    Exhibit 10.2



                   Assignment of Intellectual Property Rights
                   ------------------------------------------

     For good and valuable consideration, the receipt and sufficiency of which
is hereby acknowledged, each of Blair Haven Entertainment, Inc., d/b/a
Commercial Downlink, an Ohio corporation ("Commercial Downlink"), Brian K. Blair
("Blair") and R. Daniel Foreman ("Foreman"), intending to be legally bound
hereby, assigns to SeaVision, Inc., a Delaware corporation ("SeaVision") all of
its and his worldwide right, title and interest in and to any and all
intellectual property rights (including, but not limited to, patents,
copyrights, trademarks, trade secrets, know-how, inventions, technology,
processes, formulas, systems, plans, programs, studies and techniques) now owned
by Commercial Downlink, Blair or Foreman and which relate to the business of
SeaVision.

     Each of Commercial Downlink, Blair and Foreman further agrees to promptly
disclose to SeaVision all technology, processes, formulas, systems, plans,
programs, studies, techniques, data, know-how, information, discoveries,
inventions and improvements conceived, made, first reduced to practice or
developed solely or jointly with others by Commercial Downlink, Blair or Foreman
and related to the business of SeaVision (hereinafter "SeaVision Technology").
SeaVision Technology shall be the sole and exclusive property of SeaVision in
respect to any and all countries in the world.

     Each of Commercial Downlink, Blair and Foreman agrees to cooperate with
SeaVision to generally do all lawful acts deemed necessary or expedient by
SeaVision or its counsel to assist or enable SeaVision to obtain and enforce
full benefits from the rights and interests assigned herein.  This instrument
shall be governed by and construed in accordance with the laws of the
Commonwealth of Pennsylvania (without giving effect to the conflicts of laws
provisions thereof).
<PAGE>
 
     IN WITNESS WHEREOF, the undersigned have executed this Assignment of
Intellectual Property Rights on this 3rd day of October, 1994, intending to be
legally bound hereby.

                              BLAIR ENTERTAINMENT, INC.
                              d/b/a COMMERCIAL DOWNLINK



                              By: /s/Brian K. Blair
                                 ----------------------------------
                              Name Printed: Brian K. Blair
                                           ------------------------
                              Title: President
                                    -------------------------------



                               /s/Brian K. Blair
                              -------------------------------------
                              Brian K. Blair


                               /s/R. Daniel Foreman
                              -------------------------------------
                              R. Daniel Foreman
