Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6666521 | System for controlling cutting horizons for continuous type mining machines | Robert E. Pease | 2003-12-23 |
| 5334838 | Radiation sensor | — | 1994-08-02 |
| 5228751 | Control system for longwall shearer | — | 1993-07-20 |