Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4533180 | Fluid supply system for rotary cutter heads for mining equipment and to mining machines comprising rotary cutter heads having fluid supply systems | Albert G. French | 1985-08-06 |
| 4521058 | Rotary cutter heads for mining machines | Albert G. French | 1985-06-04 |
| 4516807 | Fluid supply systems for rotary cutter heads for mining machines and rotary cutter heads comprising fluid supply systems | — | 1985-05-14 |
| 4501449 | Fluid supply for rotary cutter heads for mining machines | — | 1985-02-26 |
| 4428619 | Rotary cutter heads for mining machines | Jonathan Kelly | 1984-01-31 |