Granted Patent
Utility
US 4,793,387 · App. 07/093,917
Overfill spillage protection device
Inventors:
Leo J. LeBlanc, Elmer P. Klop
Patented Case
View Patent ↗
Granted: Dec 27, 1988
Filed: Sep 8, 1987
Inventors
Leo J. LeBlanc
Elmer P. Klop
Assignee (at issue)
Enterprise Brass Works, 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.