Granted Patent
Utility
US 5,195,935 · App. 07/633,225
Exercise apparatus with automatic variation of provided passive and active exercise without interruption of the exercise
Inventor:
Stanley R Fencel
Patented Case
View Patent ↗
Granted: Mar 23, 1993
Filed: Dec 20, 1990
Inventor
Stanley R Fencel
Assignee (at issue)
SF Engineering
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.