Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5234256 | Cutting apparatus for mining operations with automatic control | Willy Kussel | 1993-08-10 |
| 4936714 | Valve devices for use with mining equipment | — | 1990-06-26 |
| 4622998 | Hydraulic control device | Willy Kussel | 1986-11-18 |