Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11666929 | Rotary full circle nozzles and deflectors | Steven D. Geerligs, Samuel C. Walker | 2023-06-06 |
| 11660621 | Reduced precipitation rate nozzle | Samuel C. Walker, John James Wlassich, David Eugene Robertson | 2023-05-30 |
| 11511289 | Rotary full circle nozzles and deflectors | Steven D. Geerligs, Samuel C. Walker | 2022-11-29 |
| 11247219 | Reduced precipitation rate nozzle | Samuel C. Walker, John James Wlassich, David Eugene Robertson | 2022-02-15 |
| 11154881 | Rotary nozzle | Samuel C. Walker, David Eugene Robertson | 2021-10-26 |
| 11000866 | Rotary nozzles and deflectors | David Eugene Robertson | 2021-05-11 |
| 10322423 | Rotary nozzle | Samuel C. Walker, David Eugene Robertson | 2019-06-18 |
| 9370960 | Ballpoint pen with slidable cap | Jerry F. Peyton, Georgia C. Peyton | 2016-06-21 |
| 9295998 | Rotary nozzle | John Brennan, Samuel C. Walker | 2016-03-29 |