Granted Patent
Utility
US 5,753,987 · App. 08/738,886
Generator apparatus coupled to side frame of vehicle and energized by rotation of axle on vehicle
Inventors:
Robert Shepherd, Mark Michel
Patented Case
View Patent ↗
Granted: May 19, 1998
Filed: Oct 28, 1996
Inventors
Robert Shepherd
Mark Michel
Assignee (at issue)
Ellcon National, Inc.
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.