Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7198521 | Power line phase coupler system | David L. Kvidt, Jeff Johnson | 2007-04-03 |
| 6896551 | Power line phase coupler system | David L. Kvidt, Jeff Johnson | 2005-05-24 |
| 5847389 | Seed monitoring system for counting seeds as they are dispensed through seed tubes in an air seeding system | Karl-Heinz O. Mertins, Barry D. Batcheller, Christopher J. Skarie, Jon Thomas Jacobson | 1998-12-08 |
| 5834764 | Non-imaging collector element for inputting seed monitoring signals to detector or optical fiber | Carolyn C. Mertins, Christopher J. Skarie, Jon Thomas Jacobson, Karl-Heinz O. Mertins | 1998-11-10 |
| 5831542 | Air seeder blockage monitoring system | John C. Thomas, Christopher J. Skarie, Jon Thomas Jacobson, John D. Paulson, Trevor D. Fuss +1 more | 1998-11-03 |
| 5831539 | Air seeder blockage monitoring system | John C. Thomas, Christopher J. Skarie, Jon Thomas Jacobson, John D. Paulson, Trevor D. Fuss +2 more | 1998-11-03 |
| 5650609 | Seed monitoring system for counting seeds as they are dispensed through a seed planting tube | Karl-Heinz O. Mertins, Barry D. Batcheller | 1997-07-22 |