Patents per Year
Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4697952 | Underground irrigation apparatus and method for using same | — | 1987-10-06 |
| D291826 | Flow controller valve | — | 1987-09-08 |
| 4664147 | Flow regulated mixer-injection system | — | 1987-05-12 |
| D283831 | Additive liquid metering device | — | 1986-05-13 |
| D280847 | In-line transparent dripper valve | — | 1985-10-01 |
| 4426807 | Herbicide applicator for use on a vehicle | — | 1984-01-24 |
| 4409755 | Hand held liquid herbicide applicator | — | 1983-10-18 |
| 4357779 | Hand held liquid herbicide applicator | — | 1982-11-09 |
| 4305224 | Apparatus for selective application of herbicide | — | 1981-12-15 |
| 4291491 | Liquid herbicide applicator | — | 1981-09-29 |