Granted Patent
Utility
US 4,359,999 · App. 06/225,154
Speargun with trigger mechanism for releasing a line tethered to a spear
Inventor:
Giovanni Garofalo
Patented Case
View Patent ↗
Granted: Nov 23, 1982
Filed: Jan 15, 1981
Inventor
Giovanni Garofalo
Assignee (at issue)
AMF GmbH
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.