Patent Assignment
Reel/Frame 014954/0371
Assignment of Assignor's Interest
Recorded: 2004-02-05
Pages: 4
Assignors
STROUD, KENNETH ROBERT
Executed: 2004-01-20
BRANDT, JEFFREY LEWIS
Executed: 2004-01-19
CHERYE, RICK ANTHONY
Executed: 2004-01-19
Assignee
SBC KNOWLEDGE VENTURES, L.P.
645 E. PLUMB LANE, RENO, NEVADA, 89502
Covered Property
(1)
Dtmf Lockout Utility Using Epoch Time Stamp
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Jan 24, 2008
From: SBC KNOWLEDGE VENTURES, L.P.
To: AT&T KNOWLEDGE VENTURES, L.P.
Reel/Frame 020408/0975 →
Corrective Assignment to Correct the Execution Date Previously Recorded on Reel 020408 Frame 0975. Assignor(S) Hereby Confirms the Change of Name.
Apr 20, 2020
From: SBC KNOWLEDGE VENTURES, L.P.
To: AT&T KNOWLEDGE VENTURES, L.P.
Reel/Frame 052448/0044 →
Change of Name
Apr 20, 2020
From: AT&T KNOWLEDGE VENTURES, L.P.
To: AT&T INTELLECTUAL PROPERTY I, L.P.
Reel/Frame 052448/0096 →