Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4452701 | Biological treatment of sewage | Michael E. Garrett | 1984-06-05 |
| 4440645 | Dissolving gas in a liquid | — | 1984-04-03 |
| 4256575 | Apparatus and method for treatment of liquids | Michael E. Garrett | 1981-03-17 |