Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6442877 | Plow with rear mounted, adjustable wing | Philip J. Quenzi, Cal G. Niemela | 2002-09-03 |
| 6412199 | Adjustable wing plow with fixed pivot | Philip J. Quenzi, Cal G. Niemela | 2002-07-02 |
| 6408549 | Adjustable wing plow | Philip J. Quenzi, Cal G. Niemela | 2002-06-25 |