Patent Assignment
Reel/Frame 020406/0493
Assignment of Assignor's Interest
Recorded: 2007-11-23
Received: 2008-01-23
Pages: 4
Assignee
AMERITECH CORPORATION
A DELAWARE CORPORATION, 2000 WEST AMERITECH CENTER DRIVE, HOFFMAN ESTATES, IL, 60196-1025, UNITED STATES
Covered Property
(1)
Method of Providing 911 Service to a Private Branch Exchange
Application:
10/093,749 →