Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4813747 | Rack assembly for advancing a winning machine | Hugo Klimeck, Volker Knorr | 1989-03-21 |
| 4516809 | Device for interconnecting two sections of a longwall mining machine track | Hugo Klimeck | 1985-05-14 |