Patent Assignment
Reel/Frame 018918/0015
Assignment of Assignor's Interest
Recorded: 2007-02-21
Pages: 5
Assignee
AT&T KNOWLEDGE VENTURES, L.P.
645 E. PLUMB LANE, RENO, NEVADA, 89502
Covered Property
(1)
Method and Apparatus for Authenticating a Communication Device
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.