Granted Patent
Utility
US 3,940,128 · App. 05/538,604
Exercising apparatus
Inventor:
Bernardo P. Ragone
Patented Case
View Patent ↗
Granted: Feb 24, 1976
Filed: Jan 6, 1975
Inventor
Bernardo P. Ragone
Assignee (at issue)
Vitamaster Industries, Inc.
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.