Granted Patent
Utility
US 4,305,608 · App. 06/057,542
Ferrule, coupling and process
Inventors:
Robert E. Stuemky, David E. Jewell
Patented Case
View Patent ↗
Granted: Dec 15, 1981
Filed: Jul 13, 1979
Inventors
Robert E. Stuemky
David E. Jewell
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.