Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6434258 | User modifiable geographical zones for the variable application of substances thereto | — | 2002-08-13 |
| 6266432 | User modifiable land management zones for the variable application of substances thereto | — | 2001-07-24 |
| 6115481 | User modifiable land management zones for the variable application of substances thereto | — | 2000-09-05 |