Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4781581 | Melting and holding furnace | Stefan Fruh | 1988-11-01 |
| 4741514 | High temperature and/or melting furnace for non-ferrous metals with dosing device | — | 1988-05-03 |
| 4589634 | Furnace for smelting non-ferrous and/or for holding non-ferrous metal melts | — | 1986-05-20 |