Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4634685 | Refractory article suitable for casting molten metal | Siegfried Pohl, Ernst Luhrsen, Peter Jeschke, Ortwin Rave, Werner Richter | 1987-01-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4634685 | Refractory article suitable for casting molten metal | Siegfried Pohl, Ernst Luhrsen, Peter Jeschke, Ortwin Rave, Werner Richter | 1987-01-06 |