Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4587660 | Direct-current metallurgical arc furnace and method of melting with same | Ghislain Maurer | 1986-05-06 |
| 4549301 | Direct-current electric-arc furnace and method of operating same | Ghislain Maurer | 1985-10-22 |