Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4971772 | High-purity lining for an electric low shaft furnace | Hubert Aulich, Friedrich-Wilhelm Schulze | 1990-11-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4971772 | High-purity lining for an electric low shaft furnace | Hubert Aulich, Friedrich-Wilhelm Schulze | 1990-11-20 |