Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5078890 | Technique for the removal of petroleum-based pollutants and a material for that purpose | Michel Conche | 1992-01-07 |
| 5022663 | Metal gasket or joint provided with an extremely high unit-area pressure | Raymond de Villepoix, Claude Abbes, Christian Rouaud | 1991-06-11 |
| 4561662 | Flexible metal sealing joint incorporating expendable projecting portions | Raymond de Villepoix, Robert Forges, Claude Abbes, Christian Rouaud | 1985-12-31 |