Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7300068 | Trailer coupler integral keyed lock | — | 2007-11-27 |
| 6318135 | Tailgate locking assembly | Calvin S. Wang | 2001-11-20 |
| 5303971 | Tailgate release handle security device | Dimiter S. Zagoroff | 1994-04-19 |
| 5104171 | Tailgate guard assembly | Dimiter S. Zagaroff | 1992-04-14 |