Granted Patent
Utility
US 4,441,142 · App. 06/399,566
Underwater flashlight
Inventor:
Giovanni Garofalo
Patented Case
View Patent ↗
Granted: Apr 3, 1984
Filed: Jul 19, 1982
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.