Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5279500 | Apparatus for spreading a road surfacing material | Michel Perrin, Jean-Pierre Reymonet, Clement Beatrix, Pierre Defontaine, 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, Pierre Defontaine | 1993-01-12 |