Granted Patent
Utility
US 6,546,318 · App. 09/804,392
Railway train control and communication system
Inventors:
Dario Barberis, Roberto Tione, Eric Birot, Christian Coulange, Daniel Gallavardin, Dionisios Ouzounis
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: Mar 13, 2001
Inventors
Dario Barberis
Roberto Tione
Eric Birot
Christian Coulange
Daniel Gallavardin
Dionisios Ouzounis
Assignees (at issue)
SAB Wabco S.p.A.
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.