Granted Patent
Utility
US 4,234,167 · App. 05/934,797
Automatic inhaul winch system
Inventor:
William C. Lane
Patented Case
View Patent ↗
Granted: Nov 18, 1980
Filed: Aug 18, 1978
Inventor
William C. Lane
Assignee (at issue)
Otis Engineering Corporation
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.