Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4640447 | Molten metal immersion pouring spout | Heinrich Geller, Peter Nold, Heinz Schermer | 1987-02-03 |
| 4634685 | Refractory article suitable for casting molten metal | Siegfried Pohl, Ernst Luhrsen, Peter Jeschke, Martin Kienow, Werner Richter | 1987-01-06 |