IP Library › Assignment 029050/0022
Patent Assignment
Reel/Frame 029050/0022

Assignment of Assignor's Interest

Recorded: 2012-09-28 Pages: 4
Assignors
SURYANARAYANA, LALITHA
Executed: 2007-03-28
GRANNAN, MICHAEL
Executed: 2007-03-20
Assignee
AT&T KNOWLEDGE VENTURES, L.P.
645 E. PLUMB LANE, RENO, NEVADA, 89502
Covered Property (1)
Methods and Apparatus to Provide Presence Information
Patent: 9,300,493 →
Application: 13/538,624 →
Publication: US 2012/0331076
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Feb 22, 2016
From: AT&T KNOWLEDGE VENTURES, L.P.
To: AT&T INTELLECTUAL PROPERTY I, LP
Reel/Frame 037879/0455 →
Corrective Assignment to Correct the Execution Date of Second Inventor Previously Recorded at Reel: 029050 Frame: 0022. Assignor(S) Hereby Confirms the Assignment. Mar 23, 2016
From: SURYANARAYANA, LALITHA; GRANNAN, MICHAEL
To: AT&T KNOWLEDGE VENTURES, L.P.
Reel/Frame 038231/0582 →