Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7134227 | Adjustable wing plow | Philip J. Quenzi, Cal G. Niemela | 2006-11-14 |
| 5640981 | Parts washer | Cal G. Niemela | 1997-06-24 |
| D374316 | Parts washer | Cal G. Niemela | 1996-10-01 |
| D370096 | Parts washer | Cal G. Niemela | 1996-05-21 |