Granted Patent
Utility
US 5,746,485 · App. 08/736,265
Penalty brake circuit for straight air pipe brake control equipment
Inventor:
Paul E. Jamieson
Patented Case
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Granted: May 5, 1998
Filed: Oct 24, 1996
Inventor
Paul E. Jamieson
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.