Granted Patent
Utility
US 6,774,592 · App. 10/007,793
Method and system for controlling a permanent magnet machine
Inventors:
James E. Walters, John Williams
Patented Case
View Patent ↗
Granted: Aug 10, 2004
Filed: Dec 3, 2001
Inventors
James E. Walters
John Williams
Assignee (at issue)
Delphi Technologies
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.