Granted Patent
Utility
US 5,747,685 · App. 08/504,642
Automated terminal test procedure
Inventor:
Elmer T. Skantar
Patented Case
View Patent ↗
Granted: May 5, 1998
Filed: Jul 20, 1995
Inventor
Elmer T. Skantar
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.