Granted Patent
Utility
US 4,933,622 · App. 07/290,396
Circuit and method for discharging DC filter capacitors
Inventors:
David A. Fox, Ralph D. Jessee
Patented Case
View Patent ↗
Granted: Jun 12, 1990
Filed: Dec 29, 1988
Inventors
David A. Fox
Ralph D. Jessee
Assignee (at issue)
Westinghouse Electric Company LLC
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.