Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4389072 | Longwall mineral mining installation | Horst Linke, Helmut Erwien, Herbert Beyer, Bodo Kerklies, Bernhard Wleklinski +3 more | 1983-06-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4389072 | Longwall mineral mining installation | Horst Linke, Helmut Erwien, Herbert Beyer, Bodo Kerklies, Bernhard Wleklinski +3 more | 1983-06-21 |