Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5819512 | Apparatus and method for sensing material build-up | Ronald E. Steffen, Ernie J. Poani | 1998-10-13 |
| 4555624 | High rate seed sensor | — | 1985-11-26 |
| 4307390 | Corn and soybean sensor | Victor D. Goeckner | 1981-12-22 |
| 4277833 | Planter population monitor | — | 1981-07-07 |
| 4262288 | Electronic disabling switch | Robert C. Lanphier, III, James H. Anson, Harold O. McCarty | 1981-04-14 |
| 4225930 | Planter population monitor | — | 1980-09-30 |