Patent Assignment
Reel/Frame 012049/0311
Assignment of Assignor's Interest
Recorded: 2001-07-25
Pages: 4
Assignee
AT&T CORP.
32 AVENUE OF THE AMERICAS, NEW YORK, NEW YORK, 10013
Covered Property
(1)
Service Interaction Media in an Intelligent Network Environment
Patent:
6,973,174 →
Application:
09/912,974 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Nunc Pro Tunc Assignment
Aug 25, 2011
From: AT&T CORP.
To: AT&T PROPERTIES, LLC
Reel/Frame 026804/0081 →
Nunc Pro Tunc Assignment
Aug 25, 2011
From: AT&T PROPERTIES, LLC
To: AT&T INTELLECTUAL PROPERTY II, L.P.
Reel/Frame 026807/0185 →
Assignment of Assignor's Interest
Nov 16, 2011
From: AT&T INTELLECTUAL PROPERTY I, LP
To: WORCESTER TECHNOLOGIES LLC
Reel/Frame 027241/0681 →
Merger
Jun 18, 2013
From: WORCESTER TECHNOLOGIES LLC
To: INTELLECTUAL VENTURES II LLC
Reel/Frame 030638/0027 →