IP Library › Assignment 020426/0075
Patent Assignment
Reel/Frame 020426/0075

Change of Name

Recorded: 2008-01-08 Pages: 3
Assignor
SBC KNOWLEDGE VENTURES, L.P.
Executed: 2006-03-17
Assignee
AT&T KNOWLEDGE VENTURES, L.P.
645 E. PLUMB LANE, RENO, NEVADA, 89502
Covered Property (1)
Presence Enhanced Telephony Service Architecture
Patent: 7,660,898 →
Application: 10/628,248 →
Publication: US 2005/0027867
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 8, 2004
From: MUELLER, STEPHEN MARK; RUSSELL, ALICIA MARIE
To: SBC KNOWLEDGE VENTURES, L.P.
Reel/Frame 015193/0245 →
Corrective Assignment to Correct the Execution Date Previously Recorded at Reel: 020426 Frame: 0075. Assignor(S) Hereby Confirms the Assignment. Apr 17, 2020
From: SBC KNOWLEDGE VENTURES, L.P.
To: AT&T KNOWLEDGE VENTURES, L.P.
Reel/Frame 052431/0750 →
Change of Name Apr 17, 2020
From: AT&T KNOWLEDGE VENTURES, L.P.
To: AT&T INTELLECTUAL PROPERTY I, L.P.
Reel/Frame 052434/0462 →