Granted Patent
Utility
US 5,650,779 · App. 08/480,860
Position encoder
Inventor:
David Mark Sugden
Patented Case
View Patent ↗
Granted: Jul 22, 1997
Filed: Jun 7, 1995
Inventor
David Mark Sugden
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.