Granted Patent
Utility
US 5,409,435 · App. 08/148,066
Variable resistance exercise device
Inventor:
John J. Daniels
Patented Case
View Patent ↗
Granted: Apr 25, 1995
Filed: Nov 3, 1993
Inventor
John J. Daniels
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.