Granted Patent
Utility
US 5,558,412 · App. 08/482,307
Railway braking apparatus
Inventors:
Wajih Kanjo, Eric G. Smith, Thomas J. Demoise, Michael Girotti, Thomas McCabe, Charles B. Fessler, Scott Natschke
Patented Case
View Patent ↗
Granted: Sep 24, 1996
Filed: Jun 7, 1995
Inventors
Wajih Kanjo
Eric G. Smith
Thomas J. Demoise
Michael Girotti
Thomas McCabe
Charles B. Fessler
Scott Natschke
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.