Granted Patent
Utility
US 5,744,707 · App. 08/601,688
Train brake performance monitor
Inventor:
Robert C. Kull
Patented Case
View Patent ↗
Granted: Apr 28, 1998
Filed: Feb 15, 1996
Inventor
Robert C. Kull
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.