Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6469274 | Oxygen arc cutting with plasma pre-heating of ferrous materials, such as structural steel workpieces | Regis Augeraud | 2002-10-22 |
| 6407358 | Process and unit for plasma-arc working with a gas having controlled O2 and N2 contents | Regis Augeraud, Serge Suzon | 2002-06-18 |