Granted Patent
Utility
US 4,772,052 · App. 07/037,555
Quick connect coupling
Inventor:
Eldon W. Morain
Patented Case
View Patent ↗
Granted: Sep 20, 1988
Filed: Apr 13, 1987
Inventor
Eldon W. Morain
Assignee (at issue)
Handy & Harman Automotive Group
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.