Granted Patent
Utility
US 5,957,713 · App. 08/803,262
Electric contact arrangement for hose coupling
Inventors:
Thomas H. Engle, Thomas M. Bogenschutz
Patented Case
View Patent ↗
Granted: Sep 28, 1999
Filed: Feb 20, 1997
Inventors
Thomas H. Engle
Thomas M. Bogenschutz
Assignee (at issue)
Westinghouse Air Brake Co.
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.