Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4471487 | Slewing tower for ladles | Rudolf Hoffmann, Adolf Zajber, Herbert Hansen | 1984-09-11 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4471487 | Slewing tower for ladles | Rudolf Hoffmann, Adolf Zajber, Herbert Hansen | 1984-09-11 |