Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6505892 | Softwall mining method and device | Joseph Walker, Brandon H. Woolley, Jonathan W. Wittwer, Joel Brian Mundt, Jesse Tate Olson +3 more | 2003-01-14 |
| 6086159 | Softwall mining method and device | — | 2000-07-11 |
| 5997101 | Surface-assisted continuous underground mine conveyor | — | 1999-12-07 |
| 5782539 | Wall-to-wall surface mining process | — | 1998-07-21 |