Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5330651 | Treatment of contaminated agricultural run-off | David W. Blowers, Carol J. Ptacek | 1994-07-19 |
| 5318699 | Denitrification of septic tank effluent | John A. Cherry | 1994-06-07 |