Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10590045 | Liquid fertilizer | Eric M. Johnson, Nathan E. Ludtke | 2020-03-17 |
| 10093589 | Stable fertilizers including humectant | Eric M. Johnson, Charles A. Krier | 2018-10-09 |
| 10087396 | Oil extraction method and composition for use in the method | Clayton Lepak, Dave Parkinson | 2018-10-02 |
| 9816050 | Oil extraction method and composition for use in the method | Scott K. Cumming, Frank Zouras, John Vassh | 2017-11-14 |
| 9605233 | Oil extraction method and composition for use in the method | Clayton Lepak, Dave Parkinson | 2017-03-28 |
| 9090851 | Oil extraction method and composition for use in the method | Clayton Lepak, Dave Parkinson | 2015-07-28 |