Granted Patent
Utility
US 4,835,669 · App. 07/249,135
Dual mode flyback power supply
Inventors:
Donald J. Hancock, Ronald R. Robson
Patented Case
View Patent ↗
Granted: May 30, 1989
Filed: Sep 26, 1988
Inventors
Donald J. Hancock
Ronald R. Robson
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.