Patent Assignment
Reel/Frame 020228/0293
Change of Name
Recorded: 2007-12-11
Pages: 6
Assignor
SBC PROPERTIES, L.P.
Executed: 2006-02-24
Assignee
AT&T KNOWLEDGE VENTURES, L.P.
645 E. PLUMB LANE, RENO, NEVADA, 89502
Covered Property
(1)
Method and System for Service Control Point Billing