Granted Patent
Utility
US 4,752,336 · App. 07/046,078
Evaporative corrosion preventive film
Inventor:
Francis J. Figiel
Patented Case
View Patent ↗
Granted: Jun 21, 1988
Filed: May 5, 1987
Inventor
Francis J. Figiel
Assignee (at issue)
AlliedSignal, 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.