Granted Patent
Utility
US 6,407,531 · App. 09/757,187
Method and system for controlling a synchronous machine over full operating range
Inventors:
James E. Walters, Fani S. Gunawan, Yanhong Xue
Patented Case
View Patent ↗
Granted: Jun 18, 2002
Filed: Jan 9, 2001
Inventors
James E. Walters
Fani S. Gunawan
Yanhong Xue
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.