Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5207533 | Process and device for replacing an underground pipe | Richard Godefroy | 1993-05-04 |
| 5086213 | Device for detecting, during welding, variation in the physical state of the plastic material in a coupling piece of joining pipes | Max Nussbaum | 1992-02-04 |
| 4918292 | Process and machine for the welding together of plastic parts processing a built-in winding | Max Nussbaum | 1990-04-17 |