Granted Patent
Utility
US 3,973,755 · App. 05/532,601
Hand operated winch
Inventor:
Derek James Fawcett
Patented Case
View Patent ↗
Granted: Aug 10, 1976
Filed: Dec 13, 1974
Inventor
Derek James Fawcett
Assignee (at issue)
Lewmar Mrine Limited
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.