Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4797057 | Wheel-lift tow truck | Allen B. Coffman, Robert L. Fix | 1989-01-10 |
| D284274 | Deck for transporter vehicle | — | 1986-06-17 |
| 4353597 | Readily removable and replaceable wear pads for sliding bed vehicles | — | 1982-10-12 |
| 4199904 | Retractable blast wheel carrier | Jack B. Grier | 1980-04-29 |