Patent Assignment
Reel/Frame 020231/0727
Change of Name
Recorded: 2007-12-12
Pages: 5
Assignor
SBC PROPERTIES, L.P.
Executed: 2002-08-14
Assignee
AT&T KNOWLEDGE VENTURES, L.P.
645 E. PLUMB LANE, RENO, NEVADA, 89502
Covered Property
(1)
Method and Apparatus for Transmission Line Testing
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.