Patent Assignment
Reel/Frame 015603/0371
Assignment of Assignor's Interest
Recorded: 2005-01-19
Pages: 4
Assignor
SOUTHWESTERN BELL TELEPHONE L.P.
Executed: 2005-01-17
Assignee
MICROMUSE, INC.
139 TOWNSEND STREET, SAN FRANCISCO, CALIFORNIA, 94107
Covered Properties
(2)
User Interface and System to Facilitate Telephone Circuit Maintenance and Testing
Patent:
6,687,335 →
Application:
09/050,871 →
User Interface and System to Facilitate Telephone Circuit Maintenance and Testing
Related Assignments
(2)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 31, 1998
From: JONES, WILLIAM R.; CHEANEY, MICHAEL D.; OPEL, ROD A.
To: SOUTHWESTERN BELL TELEPHONE COMPANY
Reel/Frame 009083/0248 →
Assignment of Assignor's Interest
Nov 14, 2007
From: MICROMUSE INC.
To: INTERNATIONAL BUSINESS MACHINES CORPORATION
Reel/Frame 020105/0359 →