Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822411 | Integrated steel mill arrangement | Gerhard Standler, Siegfried Zeller, Rudolf Zeller | 1989-04-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822411 | Integrated steel mill arrangement | Gerhard Standler, Siegfried Zeller, Rudolf Zeller | 1989-04-18 |