Granted Patent
Utility
US 5,224,029 · App. 07/745,817
Power factor and harmonic correction circuit including ac startup circuit
Inventor:
Robert C. Newman, Jr.
Patented Case
View Patent ↗
Granted: Jun 29, 1993
Filed: Aug 16, 1991
Inventor
Robert C. Newman, Jr.
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.