Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4468780 | Method of lining a steel-making furnace | Franz Schellberg, Manfred Oberbach, Gerhard Zingel, Gunter Wieland | 1984-08-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4468780 | Method of lining a steel-making furnace | Franz Schellberg, Manfred Oberbach, Gerhard Zingel, Gunter Wieland | 1984-08-28 |