Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8442722 | Corner unit guidance control system using two antennas | John Grabow, Reece Robert Andrews, Jochen Pfrenger, George Williard | 2013-05-14 |
| 8369996 | Method, apparatus, and computer program for irrigating a field space with a center pivot irrigation machine | — | 2013-02-05 |
| 6938842 | Flow control for irrigation machines | Robert E. Callies | 2005-09-06 |