Granted Patent
Utility
US 6,005,321 · App. 09/091,552
Variable reluctance motor systems
Inventors:
Hugh Robert Bolton, Jason P. Lewis
Patented Case
View Patent ↗
Granted: Dec 21, 1999
Filed: Jun 18, 1998
Inventors
Hugh Robert Bolton
Jason P. Lewis
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.