Patent Assignment
Reel/Frame 026200/0098
Change of Name
Recorded: 2011-04-29
Pages: 6
Assignor
SBC PROPERTIES, L.P.
Executed: 2002-06-20
Assignee
AT&T KNOWLEDGE VENTURES, L.P.
645 E. PLUMB LANE, RENO, NEVADA, 89502
Covered Property
(1)
Method, System and Article for Providing a Family Telecommunication Service Using an Originating Dual-Tone Multi-Frequency Trigger