Granted Patent
Utility
US 4,626,039 · App. 06/705,940
Railway vehicle penalty brake control system
Inventor:
Robert J. Worbois
Patented Case
View Patent ↗
Granted: Dec 2, 1986
Filed: Feb 22, 1985
Inventor
Robert J. Worbois
Assignee (at issue)
American Standard Inc.
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.