Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5367532 | Furnace for the continuous melting of oxide mixtures by direct induction with high frequency, a very short refining time and a low energy consumption | Roger Boen, Christian Ladirat, Jean-Pierre Gnilka | 1994-11-22 |