Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7854843 | Wastewater treatment method | Richard L. Pehrson, Wayne J. Flournoy | 2010-12-21 |
| 7691262 | System for treating wastewater having a controlled reaction-volume module usable therein | Richard L. Pehrson, Wayne J. Flournoy | 2010-04-06 |
| 7445715 | System for treating wastewater and a controlled reaction-volume module usable therein | Richard L. Pehrson, Wayne J. Flournoy | 2008-11-04 |