Granted Patent
Utility
US 4,757,432 · App. 06/560,343
Series resonant inverter with integrating feedback control loop
Inventor:
Donald J. Hancock
Patented Case
View Patent ↗
Granted: Jul 12, 1988
Filed: Dec 12, 1983
Inventor
Donald J. Hancock
Assignee (at issue)
Hughes Aircraft Company
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.