Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5271869 | Plasma producing gas for plasma projection of metallic oxide | Jean-Martial Leger, Pierre Fauchais, Alain Grimaud | 1993-12-21 |
| 4999474 | Gas mixture and welding method | Jean-Pierre Schultz, Jean Soler | 1991-03-12 |