Granted Patent
Utility
US 5,864,477 · App. 08/844,451
Converter circuit for a polyphase switched inductive load
Inventor:
Paul Webster
Patented Case
View Patent ↗
Granted: Jan 26, 1999
Filed: Apr 18, 1997
Inventor
Paul Webster
Assignee (at issue)
Switched Reluctance Drives Limited
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.