Patent Assignment
Reel/Frame 021591/0380
Assignment of Assignor's Interest
Recorded: 2008-09-26
Pages: 5
Assignee
BELLSOUTH INTELLECTUAL PROPERTY CORPORATION
824 MARKET STREET, SUITE 901, WILMINGTON, DELAWARE, 19801
Covered Property
(1)
Systems and Methods for Restricting the Use and Movement of Telephony Devices
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Nov 26, 2008
From: BELLSOUTH INTELLECTUAL PROPERTY CORPORATION
To: AT&T DELAWARE INTELLECTUAL PROPERTY, INC.
Reel/Frame 021893/0213 →
Assignment of Assignor's Interest
Dec 1, 2008
From: AT&T DELAWARE INTELLECTUAL PROPERTY, INC.
To: AT&T INTELLECTUAL PROPERTY I, L.P.
Reel/Frame 021905/0881 →
Corrective Assignment to Correct the Assignee Name Previously Recorded at Reel: 021893 Frame: 0213. Assignor(S) Hereby Confirms the Change of Name .
Dec 19, 2017
From: BELLSOUTH INTELLECTUAL PROPERTY CORPORATION
To: AT&T INTELLECTUAL PROPERTY, INC.
Reel/Frame 044906/0644 →