Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4575161 | Anti-spin device | Teddy L. Vanzant | 1986-03-11 |
| 4304317 | Method and apparatus for converting transfer cases for four-wheel drive vehicles | Teddy L. Vanzant | 1981-12-08 |