Patent Assignment
Reel/Frame 023397/0431
Assignment of Assignor's Interest
Recorded: 2009-10-20
Pages: 5
Assignee
AT&T INTELLECTUAL PROPERTY I, L.P.
645 E. PLUMB LANE, RENO, NEVADA, 89502
Covered Property
(1)
Automatic Integrated Escalation in a Unified Messaging System
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.