Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9573855 | In situ production of fertilizer | — | 2017-02-21 |
| 9137951 | In situ plant vigor machine | — | 2015-09-22 |
| 8951481 | In SITU production of fertilizer | — | 2015-02-10 |
| 6553299 | Methods and apparatus for precision agriculture operations utilizing real time kinematic global positioning system systems | Mark Edward Nichols, Arthur F. Lange | 2003-04-22 |
| 6463374 | Form line following guidance system | Robert William Petrie, Gregory Robin Price | 2002-10-08 |
| 6353409 | GPS guidance system for use with circular cultivated agricultural fields | Arthur F. Lange | 2002-03-05 |
| 6199000 | Methods and apparatus for precision agriculture operations utilizing real time kinematic global positioning system systems | Mark Edward Nichols, Arthur F. Lange | 2001-03-06 |
| 6087984 | GPS guidance system for use with circular cultivated agricultural fields | Arthur F. Lange | 2000-07-11 |
| 5987383 | Form line following guidance system | Robert William Petrie, Gregory Robin Price | 1999-11-16 |
| 5785129 | Row crop cultivator having a fixed depth of penetration | Steven D. Keller | 1998-07-28 |