Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4476898 | Mine-roof support control means | Gunther Kuschke | 1984-10-16 |
| 4465408 | Mine-roof support control mechanism | Gunter Kuschke, Werner Reinelt | 1984-08-14 |
| 4182585 | Double-plate control device | — | 1980-01-08 |