IP Library Assignment 020823/0291
Patent Assignment
Reel/Frame 020823/0291

Assignment of Assignor's Interest

Recorded: 2008-04-16 Pages: 5
Assignors
GUPTA, NARENDRA
Executed: 2008-03-10
GILBERT, MAZIN
Executed: 2008-03-10
STERN, BENJAMIN J.
Executed: 2008-03-10
Assignee
AT&T CORP.
32 AVENUE OF THE AMERICAS, NEW YORK, NEW YORK, 10013-2412
Covered Property (1)
Using Web-Mining to Enrich Directory Service Databases and Soliciting Service Subscriptions
Patent: 8,244,577 →
Application: 12/075,581 →
Publication: US 2009/0234812
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Dec 9, 2013
From: AT&T CORP.
To: AT&T PROPERTIES, LLC
Reel/Frame 031742/0766 →
Assignment of Assignor's Interest Dec 9, 2013
From: AT&T PROPERTIES, LLC
To: AT&T INTELLECTUAL PROPERTY II, L.P.
Reel/Frame 031743/0314 →
Assignment of Assignor's Interest Jan 29, 2014
From: AT&T INTELLECTUAL PROPERTY II, L.P.
To: FACEBOOK, INC.
Reel/Frame 032077/0643 →
Change of Name Dec 20, 2021
From: FACEBOOK, INC.
To: META PLATFORMS, INC.
Reel/Frame 058961/0436 →