Granted Patent
Utility
US 4,785,208 · App. 07/052,213
Low-inductance anode-cathode R-C circuit for a gate-turn-off power thyristor
Inventors:
Claude Egger, Stefan Umbricht
Patented Case
View Patent ↗
Granted: Nov 15, 1988
Filed: May 19, 1987
Inventors
Claude Egger
Stefan Umbricht
Assignee (at issue)
BBC Brown, Boveri & Company Ltd.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.