Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4915311 | Roller mill | Heinz Grachtrup, Otto Heinemann, Helmut Krumme, Helmut Lucke, Werner Schossler | 1990-04-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4915311 | Roller mill | Heinz Grachtrup, Otto Heinemann, Helmut Krumme, Helmut Lucke, Werner Schossler | 1990-04-10 |