Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5465798 | Drill automation control system | Hans E. Edlund | 1995-11-14 |
| 5358058 | Drill automation control system | Hans F. Edlund | 1994-10-25 |
| 5110189 | Redundant remote control system used on a continuous miner and method of using same | — | 1992-05-05 |
| 4489367 | Headlight permissible for use in explosive atmospheres | Charles R. Herron, Roger L. O'Quinn | 1984-12-18 |