Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5683494 | Electrostatically enhanced separator (EES) | Ralph F. Altman, S. Ronald Wysk, Leo A. Smolensky | 1997-11-04 |
| 5591253 | Electrostatically enhanced separator (EES) | Ralph F. Altman, S. Ronald Wysk, Leo A. Smolensky | 1997-01-07 |