Patent Assignment
Reel/Frame 021067/0253
Assignment of Assignor's Interest
Recorded: 2008-06-09
Pages: 7
Assignors
BEYER, LORAINE
Executed: 2008-03-28
CHEN, DAVID F.
Executed: 2008-03-26
ROSENCRANTZ, PETER
Executed: 2008-03-27
TRAN, THO
Executed: 2008-04-03
Assignee
AT&T KNOWLEDGE VENTURES, L.P.
645 E. PLUMB LANE, RENO, NEVADA, 89502
Covered Property
(1)
System and Method for Authenticating a Communication Device
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.