Granted Patent
Utility
US 5,404,093 · App. 08/000,863
Low distortion alternating current output active power factor correction circuit using capacitor coupled bi-directional switching regulator
Inventor:
Philip M. Cowett, Jr.
Patented Case
View Patent ↗
Granted: Apr 4, 1995
Filed: Jan 5, 1993
Inventor
Philip M. Cowett, Jr.
Assignee (at issue)
AlliedSignal, 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.