Patent Assignment
Reel/Frame 023423/0274
Assignment of Assignor's Interest
Recorded: 2009-10-26
Pages: 8
Assignor
Assignee
AT&T INTELLECTUAL PROPERTY I, L.P.
645 E. PLUMB LANE, RENO, NEVADA, 89502
Covered Property
(1)
Methods and Systems for Promoting Authentication of Technical Service Communications in a Telecommunications System
Patent:
8,166,311 →
Application:
10/175,699 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 20, 2002
From: SMITH, STEVEN G.; MORTON, ROLAND T., JR.; WILLIS, ROBERT H., JR.; DAVIS, MITCHELL E.
To: BELLSOUTH INTELLECTUAL PROPERTY CORPORATION
Reel/Frame 013032/0001 →
Assignment of Assignor's Interest
Nov 17, 2008
From: AT&T DELAWARE INTELLECTUAL PROPERTY, INC.
To: AT&T INTELLECTUAL PROPERTY I, L.P.
Reel/Frame 021843/0001 →