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Denis Duhot
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Paris, FR
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last 30 patents
Information
Patent Grant
Information transmission device and method for systems using radiat...
Patent number
6,034,646
Issue date
Mar 7, 2000
GEC Alsthom Transport SA
Marc Heddebaut
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Device for guiding vehicles on a virtual track
Patent number
5,136,225
Issue date
Aug 4, 1992
GEC Alsthom SA
Marc Heddebaut
G05 - CONTROLLING REGULATING
Information
Patent Grant
Hall effect position sensor for a railway vehicle axle
Patent number
4,943,772
Issue date
Jul 24, 1990
Alshtom
Jean-Louis Maupu
G01 - MEASURING TESTING
Information
Patent Grant
System for transmitting broadband data and/or instructions between...
Patent number
4,932,617
Issue date
Jun 12, 1990
Societe Anonyme dite: Alsthom
Marc Heddebaut
G07 - CHECKING-DEVICES
Information
Patent Grant
Identification transponder for use when a vehicle passes a given point
Patent number
4,873,531
Issue date
Oct 10, 1989
Societe Anonyme dite: Alsthom
Marc Heddebaut
B61 - RAILWAYS