Granted Patent
Utility
US 5,469,039 · App. 07/950,599
Control of switched reluctance machines
Inventors:
John M. Stephenson, William F. Ray
Patented Case
View Patent ↗
Granted: Nov 21, 1995
Filed: Sep 24, 1992
Inventors
John M. Stephenson
William F. Ray
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.