Granted Patent
Utility
US 5,501,512 · App. 08/495,278
System and method for automatically calibrating transducers in electro-pneumatic freight brake control systems
Inventor:
James E. Hart
Patented Case
View Patent ↗
Granted: Mar 26, 1996
Filed: Jun 27, 1995
Inventor
James E. Hart
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.