Granted Patent
Utility
US 6,155,607 · App. 09/244,464
Quick connect coupling
Inventors:
Robert W. Hewitt, Thomas L. Renfro
Patented Case
View Patent ↗
Granted: Dec 5, 2000
Filed: Feb 4, 1999
Inventors
Robert W. Hewitt
Thomas L. Renfro
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.