Granted Patent
Utility
US 5,290,095 · App. 08/017,168
Wheel lock detection arrangement for multiple-axle railway vehicles
Inventors:
James A. Wood, John W. Drake, David J. Pcsolar
Patented Case
View Patent ↗
Granted: Mar 1, 1994
Filed: Feb 12, 1993
Inventors
James A. Wood
John W. Drake
David J. Pcsolar
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.