Patent Assignment
Reel/Frame 020325/0903
Assignment of Assignor's Interest
Recorded: 2008-01-07
Pages: 3
Assignee
AMERITECH CORPORATION, A DELAWARE CORPORATION
2000 WEST AMERITECH CENTER DRIVE, HOFFMAN ESTATES, ILLINOIS, 60196-1025
Covered Property
(1)
Method of Providing 911 Service to a Private Branch Exchange
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 23, 2007
From: SBC HOLDINGS PROPERTIES, L.P.
To: SBC PROPERTIES, L.P.
Reel/Frame 020156/0710 →
Assignment of Assignor's Interest
Nov 23, 2007
From: AMERITECH PROPERTIES, INC.
To: SBC HOLDINGS PROPERTIES, L.P.
Reel/Frame 020163/0078 →
Assignment of Assignor's Interest
Nov 26, 2007
From: AMERITECH CORPORATION
To: AMERITECH PROPERTIES, INC.
Reel/Frame 020156/0846 →