Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10407120 | Cycle frame fluid reservoir | — | 2019-09-10 |
| 6817678 | Auger mining system | Brett Leismann | 2004-11-16 |
| 6474745 | Method of mining | — | 2002-11-05 |
| 6460937 | Method of longwall panel development | Bret Edward Leisemann | 2002-10-08 |
| 6027175 | Method and apparatus for highwall mining | Bret Edward Leisemann | 2000-02-22 |
| 5863101 | Auger mining machine and mine launch device | — | 1999-01-26 |