Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5419833 | Apparatus for treatment of wastewater | Stephen R. Ely | 1995-05-30 | $54,286,000 |
| 4826600 | Process for treatment of wastewater | Stephen R. Ely | 1989-05-02 | $12,336,000 |