Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5182440 | Process and connection component using an electrical resistor for the welding of plastic elements | Denis Dufour | 1993-01-26 |
| 5141580 | Connection component for together plastic elements by thermal welding | Denis Dufour | 1992-08-25 |