Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700061 | Guide and drive arrangement for the winning machines of mineral winning installations | Gerhard Merten | 1997-12-23 |
| 5601341 | Drive gear and guide arrangement for a mining machine, in particular a disk shearer | Gerhard Merten, Bernd Steinkuhl | 1997-02-11 |