Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9242257 | Variable nozzle assembly | — | 2016-01-26 |
| 7229032 | Irrigation drive unit | Dale A. Christensen | 2007-06-12 |
| 7066414 | Method and means for reducing stress in a pivot irrigation pipeline | Dale A. Christensen | 2006-06-27 |
| 6902351 | Method and means for reducing stress in a pivot irrigation pipeline | Dale A. Christensen | 2005-06-07 |