Patent Assignment
Reel/Frame 006936/0303
Assignment of Assignor's Interest
Recorded: 1994-04-11
Pages: 2
Assignor
WIDENHORN, LEONHARD
Executed: 1993-04-01
Assignee
ASEA BROWN BOVERI LTD.
CH-5401 BADEN, SWITZERLAND
Covered Property
(1)
Multiphase Switching System and Generator Arrangement Having Such a Switching System
Patent:
5,334,927 →
Application:
08/043,021 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Jun 25, 2002
From: ASEA BROWN BOVERI AG
To: ABB SCHWEIZ HOLDING AG
Reel/Frame 013000/0190 →
Merger
Apr 22, 2005
From: ABB SCHWEIZ HOLDING AG
To: ABB ASEA BROWN BOVERI LTD.
Reel/Frame 016145/0053 →
Assignment of Assignor's Interest
Apr 22, 2005
From: ABB ASEA BROWN BOVERI LTD.
To: ABB SCHWEIZ AG
Reel/Frame 016145/0062 →