Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9573854 | Nutrient enhanced biosolids pellets | Larry Culp, Kenneth L. Wetherington, Terry Lee Wiseman | 2017-02-21 |
| 8617285 | Nutrient enhanced biosolids pellets | Larry Culp, Kenneth L. Wetherington, Terry Lee Wiseman | 2013-12-31 |