Patent Assignment
Reel/Frame 020250/0168
Change of Name
Recorded: 2007-12-13
Pages: 6
Assignor
SBC PROPERTIES, L.P.
Executed: 2002-06-20
Assignee
AT&T KNOWLEDGE VENTURES, L.P.
645 E. PLUMB LANE, RENO, NEVADA, 89502
Covered Property
(1)
Method and System for Providing Enhanced Call Waiting with Verification and Name Change Service
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.