Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4762599 | Process and plant for an electrolytic treatment of a metal strip | Jean-Luc Le Goupil, Pascal Menage | 1988-08-09 |
| 4684451 | Process and device for bringing a strip traveling in a liquid into contact with a diverting roll | Jean-Luc Legoupil | 1987-08-04 |
| 4604157 | Acid pickling tank for metal strips | Jean-Luc Legoupil, Jacques Brosson | 1986-08-05 |