Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841542 | Electric furnace arrangement | Ernst Zajicek, Ernst Riegler | 1989-06-20 |
| 4643404 | Tiltable metallurgical vessel arrangement | Ernst Riegler, Ernst Zajicek | 1987-02-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841542 | Electric furnace arrangement | Ernst Zajicek, Ernst Riegler | 1989-06-20 |
| 4643404 | Tiltable metallurgical vessel arrangement | Ernst Riegler, Ernst Zajicek | 1987-02-17 |