Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4690249 | Precisely recurrently controllable dropwise liquid-feeders | — | 1987-09-01 |
| 4627572 | Modular central-pillar assemblies for center-pivot irrigation apparatus | Theodore V. Olson | 1986-12-09 |