Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4401296 | Electro-metal smelting furnace with taphole arranged at the bottom | Ludger Zangs, Ralf Schneider, Hannsgeorg Bauer, Josef Otto, Manfred Walter +2 more | 1983-08-30 |