Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10919815 | Method and system for compounding fertilizer from manure without nutrient emission | David DeWaard, Michael Klapper | 2021-02-16 |
| 10793483 | Method and system for compounding fertilizer from manure without nutrient emission | David DeWaard, Michael Klapper | 2020-10-06 |
| 10683239 | Method and system for compounding fertilizer from manure without nutrient emission | David DeWaard, Michael Klapper | 2020-06-16 |