Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5271656 | Multi-positionable, flexible tailgate | Harold L. Hull, Robert M. Renn, Robert Grant Irvine | 1993-12-21 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5271656 | Multi-positionable, flexible tailgate | Harold L. Hull, Robert M. Renn, Robert Grant Irvine | 1993-12-21 |