Granted Patent
Utility
US 4,464,137 · App. 06/452,001
Clutch mechanism
Inventor:
Richard E. Jennings
Patented Case
View Patent ↗
Granted: Aug 7, 1984
Filed: Dec 21, 1982
Inventor
Richard E. Jennings
Assignee (at issue)
Sperry 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.