Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4398756 | Cylindro-conical pipe joint | Jean Duret, Georges Trouillet | 1983-08-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4398756 | Cylindro-conical pipe joint | Jean Duret, Georges Trouillet | 1983-08-16 |