Granted Patent
Utility
US 4,717,178 · App. 06/869,987
Frangible coupling for barrel sections of a fire hydrant
Inventors:
Joseph L. Daghe, Gary L. Bouc, Carl E. Floren
Patented Case
View Patent ↗
Granted: Jan 5, 1988
Filed: Jun 3, 1986
Inventors
Joseph L. Daghe
Gary L. Bouc
Carl E. Floren
Assignee (at issue)
MUELLER COMPANY
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.