Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6442877 | Plow with rear mounted, adjustable wing | Cal G. Niemela, Curt E. Niemela | 2002-09-03 |
| 6434893 | Apparatus and method for placing elevated concrete slabs | — | 2002-08-20 |
| 6412199 | Adjustable wing plow with fixed pivot | Cal G. Niemela, Curt E. Niemela | 2002-07-02 |
| 6408549 | Adjustable wing plow | Cal G. Niemela, Curt E. Niemela | 2002-06-25 |
| 6393737 | Plow support assembly | Cal G. Niemela | 2002-05-28 |