Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5340088 | Metallurgical vessel and method of making the refractory lining of such vessels | Gerhard Madritsch, Bruno Hirschberg, Friedrich Kassegger, Paul Weitzer | 1994-08-23 |