Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5026335 | Downshifting work vehicle using differential lock switch | Teryl M. Oftedal, Haruyuki Morita, Masayoshi Miyaji | 1991-06-25 |
| 4232883 | Counterweight assembly for a vehicle | Oliver Gerald Miller | 1980-11-11 |