Granted Patent
Utility
US 4,429,018 · App. 06/271,293
Hose coupling ferrule and process
Inventor:
Robert E. Stuemky
Patented Case
View Patent ↗
Granted: Jan 31, 1984
Filed: Jun 8, 1981
Inventor
Robert E. Stuemky
Assignee (at issue)
The Gates Rubber 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.