Patent Assignment
Reel/Frame 044516/0842
Assignment of Assignor's Interest
Recorded: 2018-01-02
Pages: 6
Assignors
CHOW, LEE
Executed: 2007-10-30
PIEPENBRINK, DAVID
Executed: 2007-10-28
RYS, STEPHEN
Executed: 2007-10-29
Assignee
AT&T KNOWLEDGE VENTURES, L.P.
645 E. PLUMB LANE, RENO, NEVADA, 89502
Covered Property
(1)
System and Method of Restricting Access to Media Content
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.