Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9663146 | Outrigger plank splice support | Dale J. Dierks, Steven R. Kennedy, Scott A. Sievert | 2017-05-30 |
| 9315138 | Hydraulic tail trailer | Dale J. Dierks, Donald G. Huber, Brandon Bjerrum | 2016-04-19 |
| 7658587 | Hydraulic tail trailer | Dale J. Dierks, A. Dean Oehlerking, Ray E. Paradis, Cynthia A. Bjerrum, Don L. Huber +1 more | 2010-02-09 |
| 7547178 | Hydraulic tail trailer | Dale J. Dierks, Ray E. Paradis, A. Dean Oehlerking, Cynthia A. Bjerrum | 2009-06-16 |