Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8101079 | On-site wastewater treatment using a functionalized green filtration media sorption field | Martin P. Wanielista, Ni-Bin Chang | 2012-01-24 |
| 7955507 | Functionalized green filtration media for passive underground drainfield for septic tank nutrient removal | Martin P. Wanielista, Ni-Bin Chang | 2011-06-07 |
| 7927484 | Passive underground drainfield for septic tank nutrient removal using functionalized green filtration media | Martin P. Wanielista, Ni-Bin Chang | 2011-04-19 |