Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5203199 | Controlled acceleration platform | Frederick H. Henderson, Arthur R. Thorne | 1993-04-20 |
| 4552238 | Tractor scraper hitch steering and suspension system | — | 1985-11-12 |
| 4366635 | Pivoting ejector for elevator scraper | — | 1983-01-04 |
| 4279319 | Hydraulic control system for vehicle axle suspension | — | 1981-07-21 |
| 4201273 | Vehicle axle suspension system | — | 1980-05-06 |