IP Library Assignment 007364/0831
Patent Assignment
Reel/Frame 007364/0831

Assignment of Assignor's Interest

Recorded: 1995-02-08 Pages: 3
Assignor
DITTRICH, ANDREAS
Executed: 1995-01-12
Assignee
ASEA BROWN BOVERI AG
SWITZERLAND, CH-5401 BADEN, SWITZERLAND
Covered Property (1)
Method and Circuit Arrangement for Driving Semiconductor Switches in a Series Circuit
Patent: 5,616,970 →
Application: 08/385,546 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Jun 11, 2002
From: ASEA BROWN BOVERI AG
To: ABB SCHWEIZ HOLDING AG
Reel/Frame 012973/0899 →
Assignment of Assignor's Interest Dec 9, 2004
From: ABB SCHWEIZ HOLDING AG
To: ABB SCHWEIZ AG
Reel/Frame 015442/0685 →