Patent Assignment
Reel/Frame 010233/0636
Assignment of Assignor's Interest
Recorded: 1999-09-16
Pages: 4
Assignee
WEBTV NETWORKS, INC.
1250 CHARLSTON AVENUE, MOUNTAIN VIEW, CALIFORNIA, 94043
Covered Property
(1)
Concurrent Viewing of a Video Programming and of Text Communications Ocncerning the Video Programming
Patent:
7,143,428 →
Application:
09/296,452 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.