Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4568128 | Rotary cutter heads for mineral mining machines | Derek J. Brooks | 1986-02-04 |
| 4533180 | Fluid supply system for rotary cutter heads for mining equipment and to mining machines comprising rotary cutter heads having fluid supply systems | Brian A. Eagles | 1985-08-06 |
| 4521058 | Rotary cutter heads for mining machines | Brian A. Eagles | 1985-06-04 |
| 4315658 | Mining equipment | Derek J. Brooks | 1982-02-16 |