Change of Name

Recorded: 2008-03-12 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 termination blocking of message delivery service

Application: 11/311,899 →

Publication: US 2006/0171518

Related Assignments (1)

Other recorded transfers of the patent in this record — the chain of ownership.