Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6409275 | Frame attachment for vehicle | — | 2002-06-25 |
| D433979 | Truck body tailgate | Ralph E Grissom, III | 2000-11-21 |
| D425845 | Truck body tailgate | Ralph E Grissom, III | 2000-05-30 |
| D412682 | Truck body side panel | Ralph E Grissom, III | 1999-08-10 |
| D386128 | Dump truck body | Russell Alvin Watson | 1997-11-11 |
| 5421613 | Tractor trailer | Blaine H. Allison | 1995-06-06 |