Granted Patent
Utility
US 4,382,596 · App. 06/349,857
Weight lifting type exercising device
Inventor:
Ira J. Silberman
Patented Case
View Patent ↗
Granted: May 10, 1983
Filed: Feb 18, 1982
Inventor
Ira J. Silberman
Assignee (at issue)
Diversified Products, LLC
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.