Granted Patent
Utility
US 4,622,707 · App. 06/724,010
Survival knives with grapple capability
Inventor:
Charles A. Finn
Patented Case
View Patent ↗
Granted: Nov 18, 1986
Filed: Apr 17, 1985
Inventor
Charles A. Finn
Assignee (at issue)
Finn, Camphuysen, MacDonald, Schumacher
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.