Granted Patent
Utility
US 5,864,472 · App. 08/826,092
Apparatus for controlling a multiresonant self-oscillating converter circuit
Inventor:
William A. Peterson, Jr.
Patented Case
View Patent ↗
Granted: Jan 26, 1999
Filed: Mar 24, 1997
Inventor
William A. Peterson, Jr.
Assignee (at issue)
Ault Incorporated
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.