Granted Patent
Utility
US 6,517,119 · App. 09/815,575
Hose coupling with retainer ring
Inventor:
Paul B. Thomas
Patented Case
View Patent ↗
Granted: Feb 11, 2003
Filed: Mar 26, 2001
Inventor
Paul B. Thomas
Assignee (at issue)
Carrand Companies, 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.