Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8268173 | Controlled aeration of integrated fixed-film activated sludge bioreactor systems for the treatment of wastewater | Richard E. DiMassimo | 2012-09-18 |
| 5137636 | Process for the biological purification of waste water | — | 1992-08-11 |