Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D329489 | Oscillating lawn sprinkler | Melvin H. M. Best, Aaron D. DeLaby, Randy J. Cooper, Craig E. Beal | 1992-09-15 |
| 5098020 | Adjustable oscillating wave-type sprinkler | Randy J. Cooper, Aaron D. DeLaby, Craig E. Beal, Roger L. Hildwein | 1992-03-24 |
| 4819875 | Contour control device for rotary irrigation sprinklers | — | 1989-04-11 |
| D289675 | Sprayer head | Terrence Raupach, Harry L. Hauger | 1987-05-05 |
| D288229 | Quick-connective coupling | Harry L. Hauger, Rick L. Leer | 1987-02-10 |
| D285828 | Foam nozzle | Thomas C. Oyler, William Jeffrey May | 1986-09-23 |
| 4475689 | Variable dilution ratio hose-end sprayer | Harry L. Hauger | 1984-10-09 |
| 4457470 | Impulse sprinkler | Harry L. Hauger | 1984-07-03 |
| 4411460 | Hose coupling and clamp | — | 1983-10-25 |