IP Library Assignment 009501/0041
Patent Assignment
Reel/Frame 009501/0041

Assignment of Assignor's Interest

Recorded: 1998-10-06 Pages: 3
Assignors
COENRAADS, ARD
Executed: 1998-08-03
GRUENING, HORST
Executed: 1998-08-03
Assignee
ASEA BROWN BOVERI AG
CH-5401 BADEN, SWITZERLAND
Covered Property (1)
Method and Device for Driving a Turn-Off Thyristor
Patent: 6,191,640 →
Application: 09/118,903 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Oct 28, 2004
From: ASEA BROWN BOVERI AG
To: ABB SCHWEIZ HOLDING AG
Reel/Frame 015302/0118 →
Assignment of Assignor's Interest Dec 9, 2004
From: ABB SCHWEIZ HOLDING AG
To: ABB SCHWEIZ AG
Reel/Frame 015442/0685 →