Patent Assignment
Reel/Frame 019240/0953
Assignment of Assignor's Interest
Recorded: 2007-04-11
Pages: 4
Assignors
RATCLIFFE, MARK
Executed: 2007-04-11
HOOVER, GERALD L.
Executed: 2007-04-11
LU, MIN
Executed: 2007-04-11
Assignee
AT&T KNOWLEDGE VENTURES, L.P.
645 E. PLUMB LANE, RENO, NEVADA, 89502
Covered Property
(1)
Ip Multimedia Subsystem Virtual Call/Session Control Functions