Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11440828 | Method of treating sludge | Hong Zhao, Sudhakar Viswanathan, Brad Mrdjenovich, Richard W. DiMassimo, James McQuarrie | 2022-09-13 |
| 7147778 | Method and system for nitrifying and denitrifying wastewater | Richard W. DiMassimo, Sun-Nan Hong, Hong Zhao | 2006-12-12 |