Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5730425 | Method and apparatus for paying out, securing and hauling in a flexible elongate tensile member | — | 1998-03-24 |
| 4643483 | Fluid supply system to rotary cutter heads on mining machines | Granville C. James | 1987-02-17 |
| 4568128 | Rotary cutter heads for mineral mining machines | Albert G. French | 1986-02-04 |
| 4315658 | Mining equipment | Albert G. French | 1982-02-16 |