Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6446703 | Method and apparatus for improving the quality of continuously cast metal | Marcel Witschi | 2002-09-10 |
| 6354364 | Apparatus for cooling and coating a mold in a continuous caster | Marcel Witschi, Ernst Zurcher | 2002-03-12 |