Patent Assignment
Reel/Frame 052438/0833
Change of Name
Recorded: 2020-04-20
Pages: 2
Assignor
SBC KNOWLEDGE VENTURES, L.P.
Executed: 2006-02-24
Assignee
AT&T KNOWLEDGE VENTURES, L.P.
645 E. PLUMB LANE, RENO, NEVADA, 89502
Covered Property
(1)
Firewall Switching System for Communication System Applications
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.