Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5410131 | Welding connection assembly for heat-fusing plastic tubes | Denis Dufour | 1995-04-25 |
| 5369248 | Electro-weldable connecting piece having connection terminals and its method of manufacture | Denis Dufour | 1994-11-29 |