Granted Patent
Utility
US 4,809,633 · App. 07/045,604
Free fall windlass
Inventor:
Jose Santos
Patented Case
View Patent ↗
Granted: Mar 7, 1989
Filed: May 1, 1987
Inventor
Jose Santos
Assignee (at issue)
The Scott Fetzer Company
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.