Granted Patent
Utility
US 6,809,941 · App. 10/646,849
Power system having a power factor correction circuit
Inventors:
Joseph F. Elek, Jeffrey Glenn Felty, Neil A. Kammiller, Dennis F. Knurek
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Aug 22, 2003
Inventors
Joseph F. Elek
Jeffrey Glenn Felty
Neil A. Kammiller
Dennis F. Knurek
Assignee (at issue)
Marconi Intellectual Property (Ringfence), 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.