Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10455761 | Apparatus for adding fertilizer to water in a sprinkler system | — | 2019-10-29 |
| 6997350 | Apparatus for adding fertilizer to water in an underground sprinkling system and fertilizer therefor | Dwight N. Johnson, Kary Burns, James E. Marsden, David L. Morton | 2006-02-14 |
| 4634052 | Adjustable arc sprinkler head | Stephen L. Tyler, Joseph J. Walto | 1987-01-06 |