Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4805945 | Tube joint comprising means for anchoring a sleeve at its end | Alain Bonnargent | 1989-02-21 |
| 4688318 | Method of preparing a joint for a tube | Alain Bonnargent | 1987-08-25 |