IP Library › Assignment 020771/0181
Patent Assignment
Reel/Frame 020771/0181

Change of Name

Recorded: 2008-04-08 Pages: 2
Assignor
SBC PROPERTIES, L.P.
Executed: 2003-06-13
Assignee
SBC KNOWLEDGE VENTURES, L.P.
645 E. PLUMB LANE, RENO, NEVADA, 89502
Covered Property (1)
Toll-Free Number Blocking Override Indicator
Patent: 7,447,301 →
Application: 10/423,004 →
Publication: US 2004/0213392
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Aug 25, 2003
From: CROCKETT, SUSANNE M.; ALLEN, WILLIAM H.
To: SBC KNOWLEDGE VENTURES, L.P.
Reel/Frame 014427/0189 →
Change of Name Apr 8, 2008
From: SBC KNOWLEDGE VENTURES, L.P.
To: AT&T KNOWLEDGE VENTURES, L.P.
Reel/Frame 020771/0252 →
Corrective Assignment to Correct the Assignors Previously Recorded at Reel: 020771 Frame: 0181. Assignor(S) Hereby Confirms the Assignment. Nov 10, 2017
From: AT&T KNOWLEDGE VENTURES, L.P.
To: AT&T INTELLECTUAL PROPERTY I, L.P.
Reel/Frame 044748/0242 →