Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7188450 | Use of within-field-element-size CV for improved nutrient fertilization in crop production | William R. Raun, John B. Solie, Marvin L. Stone, Kyle Freeman | 2007-03-13 |
| 6880291 | Process for in-season fertilizer nutrient application based on predicted yield potential | William R. Raun, John B. Solie, Marvin L. Stone | 2005-04-19 |
| 6855933 | Optical spectral reflectance sensor and controller | Marvin L. Stone, Duane Needham, John B. Solie, William R. Raun | 2005-02-15 |
| 6601341 | Process for in-season fertilizer nitrogen application based on predicted yield potential | William R. Raun, John B. Solie, Marvin L. Stone | 2003-08-05 |
| 6596996 | Optical spectral reflectance sensor and controller | Marvin L. Stone, Duane Needham, John B. Solie, William R. Raun | 2003-07-22 |
| 5697448 | Oil well pumping mechanism providing water removal without lifting | — | 1997-12-16 |
| 4304139 | Continuous surface soil sampler | — | 1981-12-08 |