Granted Patent
Utility
US 6,484,074 · App. 09/762,468
Method of and device for controlling controlled elements of a rail vehicle
Inventors:
Laurent Hazard, Frederic Vantalon
Patented Case
View Patent ↗
Granted: Nov 19, 2002
Filed: Feb 7, 2001
Inventors
Laurent Hazard
Frederic Vantalon
Assignee (at issue)
ALSTOM Holdings
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.