Patent Assignment
Reel/Frame 044240/0376
Change of Name
Recorded: 2017-10-19
Pages: 3
Assignor
SBC TECHNOLOGY RESOURCES, INC.
Executed: 2003-05-15
Assignee
SBC LABORATORIES, INC.
9505 ARBORETUM BOULEVARD, AUSTIN, TEXAS, 78759
Covered Properties
(5)
Communications System Having Pre-Defined Calling Group
Patent:
6,073,023 →
Application:
09/004,106 →
Communications System Having Pre-Defined Calling Group
Patent:
6,819,933 →
Application:
09/500,606 →
Communications System Having Pre-Defined Calling Group
Communications System Having Pre-Defined Calling Groups
Pre-Defined Groups in a Cellular Telephone System
Application:
60/037,634 →
Related Assignments
(9)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 15, 1997
From: TIRABASSI, KAREN
To: COMCAST CELLULAR COMMUNICATIONS, INC. A CORP. OF DELAWARE
Reel/Frame 008431/0610 →
Assignment of Assignor's Interest
Jan 7, 1998
From: TIRABASSI, KAREN; GOLDBERG, ANDREW; BUTZ, GREG; MELAMPY, PATRICK
To: COMCAST CELLULAR COMMUNICATIONS, INC. A DELAWARE CORPORATION
Reel/Frame 008923/0900 →
Change of Name
Jun 8, 2000
From: COMCAST CELLULAR COMMUNICATIONS, INC.
To: DELAWARE VALLEY CELLULAR COMMUNICATIONS, INC.
Reel/Frame 010865/0653 →
Assignment of Assignor's Interest
Jun 8, 2000
From: DELAWARE VALLEY CELLULAR COMMUNICATIONS, INC.
To: SBC TECHNOLOGY RESOURCES, INCORPORATED
Reel/Frame 010907/0911 →
Assignment of Assignor's Interest
Oct 19, 2017
From: DELAWARE VALLEY CELLULAR COMMUNICATIONS, INC.
To: SBC TECHNOLOGY RESOURCES, INCORPORATED
Reel/Frame 043906/0995 →
Assignment of Assignor's Interest
Oct 19, 2017
From: TIRABASSI, KAREN; GOLDBERG, ANDREW; BUTZ, GREG; MELAMPY, PATRICK
To: COMCAST CELLULAR COMMUNICATIONS, INC.
Reel/Frame 043903/0617 →
Change of Name
Oct 19, 2017
From: COMCAST CELLULAR COMMUNICATIONS, INC.
To: DELAWARE VALLEY CELLULAR COMMUNICATIONS, INC.
Reel/Frame 044443/0015 →
Change of Name
Oct 20, 2017
From: SBC LABORATORIES, INC.
To: AT&T LABS, INC.
Reel/Frame 044518/0831 →
Assignment of Assignor's Interest
Oct 20, 2017
From: AT&T LABS, INC.
To: AT&T INTELLECTUAL PROPERTY I, L.P.
Reel/Frame 044484/0881 →