Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4679489 | Automatic leveling system for blast hole drills and the like | Richard A. Jasinski | 1987-07-14 |
| 4358719 | Peak power limiter system for excavator | Richard Currier | 1982-11-09 |