Patent Assignment
Reel/Frame 027776/0001
Change of Name
Recorded: 2012-02-28
Pages: 4
Assignor
SBC KNOWLEDGE VENTURES, L.P.
Executed: 2007-10-02
Assignee
AT&T INTELLECTUAL PROPERTY I, L.P.
675 W. PEACHTREE STREET, SUITE 4000, ATLANTA, GEORGIA, 30375
Covered Property
(1)
System and Method for Identifying Telephone Callers
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.