Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4358160 | Air diversion and dust control system for longwall shearers | Terry L. Muldoon, William E. Schroeder, Jr., Carl R. Peterson | 1982-11-09 |
| 4200036 | Ventilation system for automated mining machines | Joseph E. Matta | 1980-04-29 |