Patent Assignment
Reel/Frame 019402/0752
Assignment of Assignor's Interest
Recorded: 2007-06-08
Pages: 5
Assignee
AT&T KNOWLEDGE VENTURES, L.P.
645 E. PLUMB LANE, RENO, NEVADA, 89502
Covered Property
(1)
System for Communicating with an Internet Protocol Multimedia Subsystem Network
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.