Granted Patent
Utility
US 5,489,811 · App. 07/897,329
Permanent magnet alternator
Inventors:
Robert D. Kern, Gerald C. Ruehlow, Graham W. McLean, Frank Wedel, Dennis J. Cerney
Patented Case
View Patent ↗
Granted: Feb 6, 1996
Filed: Jun 11, 1992
Inventors
Robert D. Kern
Gerald C. Ruehlow
Graham W. McLean
Frank Wedel
Dennis J. Cerney
Assignee (at issue)
Genewal Co., Ltd.
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.