Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4212497 | Liquid discharge apparatus for a shearing-loader type mining machine | Heinrich Honke | 1980-07-15 |
| 4189183 | Mining machine with cutter drums and sensing apparatus | — | 1980-02-19 |