Granted Patent
Utility
US 5,345,164 · App. 08/053,147
Power factor corrected DC power supply
Inventor:
Ronald A. Lesea
Patented Case
View Patent ↗
Granted: Sep 6, 1994
Filed: Apr 27, 1993
Inventor
Ronald A. Lesea
Assignee (at issue)
Metcal, Inc.
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.