Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11724291 | Closure methods for mines | William H. Simon, Richard W. Alexander | 2023-08-15 |
| 11697043 | Method and reagents for treating materials contaminated with mercury, PFAS, or other contaminants | Jody Bickford | 2023-07-11 |
| 11680001 | Systems and methods for treating acidity, heavy metals, and solids in acid mine drainage and other aqueous fluids | Richard W. Alexander | 2023-06-20 |