Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5492630 | Method and apparatus for dissolved air flotation with aeration | Mel Roshanravan | 1996-02-20 |
| 5151177 | Method and apparatus for dissolved air flotation with aeration | Mel Roshanravan | 1992-09-29 |