Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5314275 | Safety tie-down roller | D. Michael Cottrell | 1994-05-24 |
| 4316686 | Automobile tie down assembly for vehicle carriers | Don M. Cottrell | 1982-02-23 |
| D258815 | Vehicle tie-down track assembly | Don M. Cottrell | 1981-04-07 |
| 4227734 | Car haul trailer | Don M. Cottrell | 1980-10-14 |
| D255343 | Vehicle transport trailer | Don M. Cottrell | 1980-06-10 |