Patent Assignment
Reel/Frame 023693/0273
Assignment of Assignor's Interest
Recorded: 2009-12-23
Pages: 3
Assignor
ENGELHART, ROBERT L., SR.
Executed: 2009-12-11
Assignee
AT&T MOBILITY II LLC
1025 LENOX PARK BLVD, NE, ATLANTA, GEORGIA, 30319
Covered Property
(1)
Audio-Based Text Messaging
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.