IP Library › Assignment 015193/0245
Patent Assignment
Reel/Frame 015193/0245

Assignment of Assignor's Interest

Recorded: 2004-04-08 Pages: 3
Assignors
MUELLER, STEPHEN MARK
Executed: 2003-12-05
RUSSELL, ALICIA MARIE
Executed: 2003-12-04
Assignee
SBC 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.
Change of Name Jan 8, 2008
From: SBC KNOWLEDGE VENTURES, L.P.
To: AT&T KNOWLEDGE VENTURES, L.P.
Reel/Frame 020426/0075 →
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 →