Patent Assignment
Reel/Frame 010907/0911
Assignment of Assignor's Interest
Recorded: 2000-06-08
Pages: 4
Assignor
DELAWARE VALLEY CELLULAR COMMUNICATIONS, INC.
Executed: 2000-05-15
Assignee
SBC TECHNOLOGY RESOURCES, INCORPORATED
9505 ARBORETUM BOULEVARD, AUSTIN, TEXAS, 78759
Covered Property
(1)
Communications System Having Pre-Defined Calling Group
Patent:
6,073,023 →
Application:
09/004,106 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →
Change of Name
Oct 19, 2017
From: SBC TECHNOLOGY RESOURCES, INC.
To: SBC LABORATORIES, INC.
Reel/Frame 044240/0376 →
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 →
Change of Name
Oct 20, 2017
From: SBC LABORATORIES, INC.
To: AT&T LABS, INC.
Reel/Frame 044518/0831 →