Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11045823 | Rotary nozzle sprinkler with orbital diffuser | Craig B. Nelson, Barton R. Nelson | 2021-06-29 |
| 11040358 | Rigid mount orbitor sprinkler with spider refuge | Craig B. Nelson | 2021-06-22 |
| 11020756 | Orbital sprinkler with speed control brake | Craig B. Nelson, Andrew B. Hellie, Steven E. Crawford | 2021-06-01 |