Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5018759 | Tamper resistant trailer hitch | S. Leonard Villalon, James D. Olds | 1991-05-28 |
| 4925205 | Tamper resistant trailer hitch | S. Leonard Villalon, James D. Olds | 1990-05-15 |
| 4735264 | High pressure gauge carrier | Wesley J. Burris, II, Vincent P. Zeller, Jon B. Christensen | 1988-04-05 |