Granted Patent
Utility
US 4,045,095 · App. 05/699,624
Emergency portion for brake control valve
Inventor:
Fred Temple
Patented Case
View Patent ↗
Granted: Aug 30, 1977
Filed: Jun 25, 1976
Inventor
Fred Temple
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.