Granted Patent
Utility
US 4,253,554 · App. 06/057,903
Bi-directional clutch
Inventor:
Jules Nisenson
Patented Case
View Patent ↗
Granted: Mar 3, 1981
Filed: Jul 16, 1979
Inventor
Jules Nisenson
Assignee (at issue)
Nisenson Technology 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.