Patent Assignment
Reel/Frame 011225/0276
Assignment of Assignor's Interest
Recorded: 2000-09-05
Pages: 8
Assignors
COLE, ALLEN
Executed: 2000-08-14
ENGQUIST, SUSAN
Executed: 2000-08-21
WEI, XINGUO
Executed: 2000-08-16
Assignee
AT&T WIRELESS SERVICES, INC.
7277 164TH AVENUE NE, REDMOND, WASHINGTON, 98052
Covered Property
(1)
System and Method for Checking Service Availability
Patent:
6,445,912 →
Application:
09/572,144 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Certificate of Conversion
Apr 22, 2005
From: CINGULAR WIRELESS II, INC.
To: CINGULAR WIRLEESS II, LLC
Reel/Frame 017546/0612 →
Assignment of Assignor's Interest
Apr 22, 2005
From: NEW CINGULAR WIRELESS SERVICES, INC. F/K/A AT&T WIRELESS SERVICES, INC.
To: CINGULAR WIRELESS II, INC.
Reel/Frame 017555/0711 →
Certificate of Conversion
Mar 29, 2006
From: CINGULAR WIRELESS II, INC.
To: CINGULAR WIRELESS II, LLC
Reel/Frame 017696/0375 →
Change of Name
Jul 30, 2008
From: CINGULAR WIRELESS II, LLC
To: AT&T MOBILITY II, LLC
Reel/Frame 021315/0150 →
Change of Name
Aug 7, 2008
From: AT&T MOBILITY II, LLC
To: AT&T MOBILITY II LLC
Reel/Frame 021352/0408 →