Granted Patent
Utility
US 6,340,211 · App. 08/922,426
Dual station air brake control
Inventors:
Michael Joyce, Charles L. Crawford, Daniel J. Wolf, David J. Pcsolar, Winslow K. Duff
Patented Case
View Patent ↗
Granted: Jan 22, 2002
Filed: Sep 3, 1997
Inventors
Michael Joyce
Charles L. Crawford
Daniel J. Wolf
David J. Pcsolar
Winslow K. Duff
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.