Granted Patent
Utility
US 4,302,005 · App. 06/020,214
Laterally pivoted weight training device
Inventor:
Ira J. Silberman
Patented Case
View Patent ↗
Granted: Nov 24, 1981
Filed: Mar 13, 1979
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.