IP Library › Assignment 052445/0763
Patent Assignment
Reel/Frame 052445/0763

Assignment of Assignor's Interest

Recorded: 2020-04-20 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
Patent: 8,077,847 →
Application: 12/044,433 →
Publication: US 2008/0155005
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Apr 20, 2020
From: SBC KNOWLEDGE VENTURES, L.P.
To: AT&T KNOWLEDGE VENTURES, L.P.
Reel/Frame 052448/0084 →
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 →