Patent Assignment
Reel/Frame 021848/0936
Sbc Properties, L.P.
Recorded: 2008-11-18
Received: 2008-11-18
Pages: 9
Assignor
SBC PROPERTIES, L.P.
Executed: 2007-10-02
Assignee
AT&T INTELLECTUAL PROPERTY 1, L.P.
645 E. PLUMB LANE, RENO, NV, 89502, UNITED STATES
Covered Properties
(4)
Method and System for Selectively Performing Call Information Query
Application:
11/900,920 →
Method and System for Selectively Performing Call Information Query
Application:
10/891,831 →
Method and System for Selectively Performing Call Information Query
Application:
10/321,789 →
Method and System for Selectively Performing Call Information Query
Application:
09/847,648 →