Granted Patent
Utility
US 4,558,516 · App. 06/584,625
Positive lock and quick release knife and sheath
Inventor:
Walter W. Collins
Patented Case
View Patent ↗
Granted: Dec 17, 1985
Filed: Feb 29, 1984
Inventor
Walter W. Collins
Assignee (at issue)
Gerber Legendary Blades, Inc.
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.