Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4746261 | Self-loading tilt-bed trailer having transverse bed realignment means | Donald R. Landoll, Michael C. Domine, Kyle D. Swart | 1988-05-24 |
| 4556357 | Truck having articulated chassis for hauling goods | Donald R. Landoll, David J. Kongs | 1985-12-03 |
| 4492507 | Actuator for shiftable undercarriage of tiltable trailer | Donald R. Landoll, David J. Kongs | 1985-01-08 |