Granted Patent
Utility
US 5,247,853 · App. 07/839,204
Flywheel
Inventor:
William T. Dalebout
Patented Case
View Patent ↗
Granted: Sep 28, 1993
Filed: Feb 20, 1992
Inventor
William T. Dalebout
Assignee (at issue)
Proform Fitness Products, 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.