Granted Patent
Utility
US 4,482,151 · App. 06/499,829
Exercising device
Inventor:
Brian R. Zwilling
Patented Case
View Patent ↗
Granted: Nov 13, 1984
Filed: Jun 1, 1983
Inventor
Brian R. Zwilling
Assignee (at issue)
Questor Corp.
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.