SG

Serge Le Guen

CE Compagnie De Signaux Et D'Entreprises Electriques: 1 patents #4 of 15Top 30%
📍 Verrières-le-Buisson, FR: #79 of 174 inventorsTop 50%
Overall (All Time): #4,039,829 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4467430 Railway track circuit Andre Even, Christian Fortier, Michel G. Guillard, Dominique Hedoin, Dominique Raucourt 1984-08-21