Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8911630 | Process for treating waste water having low concentrations of metallic contaminants | Brian B. Looney, Ralph L. Nichols, William L. Payne | 2014-12-16 |
| 7291265 | Passive treatment of wastewater and contaminated groundwater | Mark A. Phifer, Frank Sappington, Charles E. Turick, Pamela C. McKinsey | 2007-11-06 |
| 7147779 | Passive treatment of wastewater and contaminated groundwater | Mark A. Phifer, Frank Sappington, Charles E. Turick, Pamela C. McKinsey | 2006-12-12 |