Patent Assignment
Reel/Frame 012486/0541
Assignment of Assignor's Interest
Recorded: 2002-01-18
Pages: 4
Assignors
TILIKS, DIANNA INARA
Executed: 2002-01-07
CROCKETT, SUSANNE MARIE
Executed: 2002-01-07
BOOK, NANCY ANN
Executed: 2002-01-07
GRUCHALA, CAROL SHIFRIN
Executed: 2002-01-07
MOSS, JOHN WESELY
Executed: 2002-01-07
Assignee
AMERITECH CORPORATION
2000 WEST AMERITECH CENTER DRIVE, HOFFMAN ESTATES, ILLINOIS, 60196
Covered Property
(1)
System and Method for Restricting and Monitoring Telephone Calls
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 25, 2003
From: AMERITECH PROPERTIES, INC.
To: SBC HOLDINGS PROPERTIES, L.P.
Reel/Frame 013974/0542 →
Assignment of Assignor's Interest
Apr 25, 2003
From: AMERITECH CORPORATION
To: AMERITECH PROPERTIES, INC.
Reel/Frame 013986/0525 →
Assignment of Assignor's Interest
Apr 25, 2003
From: SBC HOLDINGS PROPERTIES, L.P.
To: SBC PROPERTIES, L.P.
Reel/Frame 014015/0689 →
Change of Name
Jan 10, 2008
From: SBC KNOWLEDGE VENTURES, L.P.
To: AT&T KNOWLEDGE VENTURES, L.P.
Reel/Frame 020347/0159 →
Change of Name
Jan 10, 2008
From: SBC PROPERTIES, L.P.
To: SBC KNOWLEDGE VENTURES, L.P.
Reel/Frame 020347/0161 →