Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5730549 | Method and device for reinforcing the ground using fibrous additives | Claude Choudin, Jean-Pierre Ghiretti, Jean Boulant | 1998-03-24 |
| 5683208 | Granular materials and method of soil reinforcement | Jean-Louis Fage, Claude Choudin, Jean-Marc Letalenet | 1997-11-04 |
| 4911789 | Glass fibre-based paper | Marcel Fontar, Patrick Le Breton | 1990-03-27 |
| 4748977 | Mineral fiber-based absorbent material | Daniel Guyot, Michel Conche | 1988-06-07 |