Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5643454 | Sewage respiration inhibition | Michael E. Garrett | 1997-07-01 |
| 5509955 | Treatment of liquids | Michael E. Garrett | 1996-04-23 |
| 4216089 | Waste water treatment | Harold R. S. Page | 1980-08-05 |