Granted Patent
Utility
US 4,143,892 · App. 05/851,335
Hose coupling
Inventors:
Michael J. Murphy, Dale E. McVey, David A. Slipcheck, Gene E. Stefano
Patented Case
View Patent ↗
Granted: Mar 13, 1979
Filed: Nov 14, 1977
Inventors
Michael J. Murphy
Dale E. McVey
David A. Slipcheck
Gene E. Stefano
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.