Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7574284 | Method and apparatus for optimizing soil moisture | Larry Kent Hopkins, Larry Hawkes, James Zimmerman | 2009-08-11 |
| 7133749 | Method and apparatus for optimizing soil moisture | Larry Kent Hopkins, Larry Hawkes, James Zimmerman | 2006-11-07 |
| 7010395 | PC-programmed irrigation control system | Larry Kent Hopkins, Randall Pearson, Larry Hawkes, Michael J. Grundy | 2006-03-07 |
| 6694223 | Irrigation controller | Larry Kent Hopkins | 2004-02-17 |
| 6647319 | Irrigation controller | — | 2003-11-11 |
| 6179221 | Fixed spray sprinkler with flow shut off valve | James Zimmerman, Joseph D. Mason | 2001-01-30 |