Granted Patent
Utility
US 6,712,408 · App. 10/090,900
Swing cover door prop device for an electric coupler used on a passenger transit vehicle
Inventors:
Jerry L. Stepp, Donald Cruitt
Patented Case
View Patent ↗
Granted: Mar 30, 2004
Filed: Mar 5, 2002
Inventors
Jerry L. Stepp
Donald Cruitt
Assignee (at issue)
Westinghouse Air Brake Technologies Corporation
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.