Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10071854 | Steep-angle conveying installation for open-cast mining | Hans Becker | 2018-09-11 |
| 10053292 | Steep conveying installation for open-cast mining | Detlef Papagewski, Franz Wolpers, Viktor Raaz | 2018-08-21 |