IP Library Assignment 014861/0052
Patent Assignment
Reel/Frame 014861/0052

Assignment of Assignor's Interest

Recorded: 2004-01-08 Pages: 2
Assignors
BERNET, STEFAN
Executed: 2003-03-26
BRUCKNER, THOMAS
Executed: 2003-03-26
Assignee
ABB RESEARCH LTD.
AFFOLTERNSTR. 52, ZURICH, CH-8050, SWITZERLAND
Covered Property (1)
Open-Loop and Closed-Loop Control Method for a Three-Point Converter with Active Clamped Switches, and Apparatus for This Purpose
Patent: 6,697,274 →
Application: 10/388,022 →
Publication: US 2003/0165071
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 6, 2020
From: ABB SCHWEIZ AG
To: ABB POWER GRIDS SWITZERLAND AG
Reel/Frame 052916/0001 →