Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6254018 | Alignment control for long center pivot irrigation systems | — | 2001-07-03 |
| 6042031 | Center pivot irrigation system | Dale A. Christensen | 2000-03-28 |
| 5080290 | Water inlet for a linear move irrigation system | — | 1992-01-14 |
| 4729514 | Means for seeding through a center pivot irrigation system | John A. Chapman | 1988-03-08 |
| 4660775 | Means for seeding through a center pivot irrigation system | John A. Chapman | 1987-04-28 |
| 4413783 | Coupler for an irrigation system | Dennis R. Theilen | 1983-11-08 |