Granted Patent
Utility
US 4,642,745 · App. 06/835,708
Power circuit with high input power factor and a regulated output
Inventors:
Robert Louis Steigerwald, William P. Kornrumpf
Patented Case
View Patent ↗
Granted: Feb 10, 1987
Filed: Mar 3, 1986
Inventors
Robert Louis Steigerwald
William P. Kornrumpf
Assignee (at issue)
General Electric 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.