JT

Jean-Francois Trefouel

CE Cegelec: 1 patents #10 of 33Top 35%
📍 Gentilly, FR: #44 of 73 inventorsTop 65%
Overall (All Time): #3,821,871 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5203089 Railroad vehicle for measuring the geometrical parameters of railroad track Marc Centil 1993-04-20