Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5299785 | Gas purging plug for electric-arc furnaces and the corresponding electric-arc furnace | Georgio Cappelli, Ing. Pericle Bosi | 1994-04-05 |
| 5060915 | Two-piece terminal brick | Sabine Altpeter, Bernd Grabner | 1991-10-29 |