Granted Patent
Utility
US 5,407,032 · App. 08/140,392
Braking system for a rail vehicle using materials based on carbon
Inventors:
Louis-Marc Gaudefroy, Alain Van Hemelryck
Patented Case
View Patent ↗
Granted: Apr 18, 1995
Filed: Oct 25, 1993
Inventors
Louis-Marc Gaudefroy
Alain Van Hemelryck
Assignee (at issue)
GEC Alsthom Transport SA
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.