Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5639366 | Concentrator for solids in a liquid medium | Michael P. Engel | 1997-06-17 |
| 4501671 | Method and apparatus for treatment of oily waste | — | 1985-02-26 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5639366 | Concentrator for solids in a liquid medium | Michael P. Engel | 1997-06-17 |
| 4501671 | Method and apparatus for treatment of oily waste | — | 1985-02-26 |