Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5651732 | Leak-proof venting system | — | 1997-07-29 |
| 5002261 | Cutting torch for iron and steel metallurgy | Michel Arnout, Didier Lasnier | 1991-03-26 |
| 4830681 | Oxygen cutting method and nozzle | Michel Arnout, Roger Le Goff | 1989-05-16 |
| 4590354 | Plasma welding or cutting torch | Gerard Marhic | 1986-05-20 |