Patent Assignment
Reel/Frame 028128/0454
Change of Name
Recorded: 2012-04-30
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 Facilitating a Custom Ring in Connection with a Call
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.