Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4382556 | Side wheel roll leveling device | — | 1983-05-10 |
| 4357954 | Backflow preventing valve construction | — | 1982-11-09 |
| D264491 | Sprinkler | — | 1982-05-18 |
| 4301967 | Intermittent sprinkler | — | 1981-11-24 |
| 4274583 | Moisture and pressure responsive irrigation system | — | 1981-06-23 |
| 4265404 | Support structure for traveling sprinkler | — | 1981-05-05 |
| 4257440 | Injection pump for sprinkler systems | — | 1981-03-24 |
| 4253608 | Part-circle sprinkler with reversible stator | — | 1981-03-03 |
| 4226368 | Multiple vortex dripper | — | 1980-10-07 |
| 4204642 | Traveling sprinkler system and method | — | 1980-05-27 |
| 4198000 | Stream rotor sprinkler with rotating deflectors | — | 1980-04-15 |