Granted Patent
Utility
US 4,916,599 · App. 07/329,956
Switching power supply
Inventors:
John C. Traxler, Richard C. Whitham, II
Patented Case
View Patent ↗
Granted: Apr 10, 1990
Filed: Mar 29, 1989
Inventors
John C. Traxler
Richard C. Whitham, II
Assignee (at issue)
HyperPower, 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.