Granted Patent
Utility
US 4,967,335 · App. 07/410,768
Saturable transformer regulator for flyback power supply
Inventor:
John G. Konopka
Patented Case
View Patent ↗
Granted: Oct 30, 1990
Filed: Sep 21, 1989
Inventor
John G. Konopka
Assignee (at issue)
Zenith Electronics 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.