Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4533171 | Lift-roof trailer | — | 1985-08-06 |
| 4493387 | Clutch driven front axle fourwheel drive system | D. H. Grandinett | 1985-01-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4533171 | Lift-roof trailer | — | 1985-08-06 |
| 4493387 | Clutch driven front axle fourwheel drive system | D. H. Grandinett | 1985-01-15 |