IP Library Assignment 022375/0420
Patent Assignment
Reel/Frame 022375/0420

Assignment of Assignor's Interest

Recorded: 2009-03-11 Pages: 12
Covered Property (1)
System and Method for Surveying Wireless Device Users by Location
Patent: 7,181,225 →
Application: 09/739,162 →
Related Assignments (5)
Other recorded transfers of the patent in this record — the chain of ownership.
Corrective Assignment to Correct the Assignor Name Previously Recorded at Reel: 022375 Frame: 0420. Assignor(S) Hereby Confirms the Assignment. Dec 6, 2017
From: AT&T DELAWARE INTELLECTUAL PROPERTY, INC.
To: AT&T INTELLECTUAL PROPERTY I, L.P.
Reel/Frame 044707/0814 →
Assignment of Assignor's Interest Dec 28, 2017
From: AT&T INTELLECTUAL PROPERTY I, L.P.
To: GOOGLE LLC
Reel/Frame 044995/0505 →
Change of Name Jan 4, 2018
From: BELLSOUTH INTELLECTUAL PROPERTY CORPORATION
To: AT&T INTELLECTUAL PROPERTY, INC.
Reel/Frame 045004/0660 →
Change of Name Jan 4, 2018
From: AT&T INTELLECTUAL PROPERTY, INC.
To: AT&T BLS INTELLECTUAL PROPERTY, INC.
Reel/Frame 045004/0908 →
Change of Name Jan 5, 2018
From: AT&T BLS INTELLECTUAL PROPERTY, INC.
To: AT&T DELAWARE INTELLECTUAL PROPERTY, INC.
Reel/Frame 045013/0289 →