Granted Patent
Utility
US 4,288,113 · App. 06/055,400
Quick connector coupling for semi-rigid hose
Inventor:
Charly J. Saulnier
Patented Case
View Patent ↗
Granted: Sep 8, 1981
Filed: Jul 6, 1979
Inventor
Charly J. Saulnier
Assignee (at issue)
Parker-Hannifin Corporation
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.