Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5333796 | Agricultural irrigation | Forest M. Hoch | 1994-08-02 |
| 4795100 | Conservation irrigation | Forest M. Hoch | 1989-01-03 |
| 4664316 | Steerable irrigation system | Jack L. Purtell | 1987-05-12 |
| 4352460 | Automatic furrow guide | — | 1982-10-05 |
| 4325060 | Floating water detector | Jack L. Purtell | 1982-04-13 |
| 4246575 | Moisture detector | Jack L. Purtell | 1981-01-20 |