Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7343867 | Method for prescribing site-specific fertilizer application in agricultural fields | Haiping Su, Paul Joseph Harroun, Timothy Lindgren | 2008-03-18 |
| 7171912 | Method for prescribing site-specific fertilizer application in agricultural fields | Haiping Su, Paul Joseph Harroun, Timothy Lindgren | 2007-02-06 |
| 6889620 | Method for prescribing site-specific fertilizer application in agricultural fields | Haiping Su, Paul Joseph Harroun, Timothy Lindgren | 2005-05-10 |