Granted Patent
Utility
US 6,225,723 · App. 09/432,303
Electric machine and rotor for use therein
Inventors:
John F. Cooper, David Bonnieman
Patented Case
View Patent ↗
Granted: May 1, 2001
Filed: Nov 2, 1999
Inventors
John F. Cooper
David Bonnieman
Assignee (at issue)
Lucas Industries 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.