Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5655752 | System with imperviousness joint compressed between two non-parallel bearings | Raymond de Villepoix | 1997-08-12 |
| 5653450 | Ultra-flexible gasket with double jacket | Raymond de Villepoix | 1997-08-05 |