Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5667702 | Process and gaseous mixture for arc welding of aluminium components | Richard Soula, Didier Marchand | 1997-09-16 |
| 5667703 | Process and gaseous mixture for arc welding of aluminium components | Richard Soula, Didier Marchand | 1997-09-16 |