Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5299785 | Gas purging plug for electric-arc furnaces and the corresponding electric-arc furnace | Georgio Cappelli, Helmut Vacek | 1994-04-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5299785 | Gas purging plug for electric-arc furnaces and the corresponding electric-arc furnace | Georgio Cappelli, Helmut Vacek | 1994-04-05 |