Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9440250 | Pop-up irrigation device for use with low-pressure irrigation systems | Samuel C. Walker, Rowshan Jahan | 2016-09-13 |
| 9138768 | Pop-up irrigation device for use with low-pressure irrigation systems | Rowshan Jahan, Samuel C. Walker | 2015-09-22 |
| 8567696 | Nozzle body for use with irrigation devices | Samuel C. Walker, Rowshan Jahan | 2013-10-29 |
| D608301 | Irrigation controller control panel | Roger S. Neitzel, Robert H. Jenkins, Charles Curbbun, Andrew Zoolakis, Bill Leach | 2010-01-19 |
| 6530771 | Rotary cutter handling system | — | 2003-03-11 |
| 5811137 | Dough Sheeter having independant internally-driven self-powered rollers | Michael L. Herrera | 1998-09-22 |