IP Library Assignment 021919/0105
Patent Assignment
Reel/Frame 021919/0105

Assignment of Assignor's Interest

Recorded: 2008-12-03 Pages: 5
Assignors
STEFANIK, JOHN R.
Executed: 2001-06-27
STEADING, DAVID
Executed: 2001-06-18
Assignee
Covered Property (1)
Methods, Systems, and Products for Enhanced Electronic Programming Guides
Patent: 9,038,109 →
Application: 12/327,005 →
Publication: US 2009/0133068
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Feb 23, 2015
From: AT&T DELAWARE INTELLECTUAL PROPERTY, INC.
To: AT&T INTELLECTUAL PROPERTY I, L.P.
Reel/Frame 035001/0724 →
Change of Name Feb 23, 2015
From: BELLSOUTH INTELLECTUAL PROPERTY CORPORATION
To: AT&T INTELLECTUAL PROPERTY, INC.
Reel/Frame 035060/0658 →
Change of Name Feb 23, 2015
From: AT&T INTELLECTUAL PROPERTY, INC.
To: AT&T BLS INTELLECTUAL PROPERTY, INC.
Reel/Frame 035060/0673 →
Change of Name Feb 23, 2015
From: AT&T BLS INTELLECTUAL PROPERTY, INC.
To: AT&T DELAWARE INTELLECTUAL PROPERTY, INC.
Reel/Frame 035060/0736 →