Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10532940 | Aeration discs and methods for using same | George W. Smith, Charles S. Applegate, Christopher K. Waul, Marc E. Roehl, Michael L. Doyle | 2020-01-14 |
| 9764973 | Wastewater treatment system | Thomas J. Larsen, John Hartwick | 2017-09-19 |