PD

Pierre Defontaine

CS Colas S.A.: 3 patents #2 of 16Top 15%
Overall (All Time): #1,653,093 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5324136 Apparatus for spreading bonding emulsion or similar material for road asphalt Jean-Pierre Reymonet, Michel Perrin, Clement Beatrix 1994-06-28
5279500 Apparatus for spreading a road surfacing material Michel Perrin, Jean-Pierre Reymonet, Clement Beatrix, Philippe Brissonneau, Jean-Pierre Gravet 1994-01-18
5178486 Device for spreading a fluid substance, and machine permitting the simultaneous application of this substance and of the surfacing of a highway Michel Perrin, Jean-Pierre Reymonet, Clement Beatrix, Philippe Brissonneau 1993-01-12