Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4981593 | Sewage treatment | Mark A. Woods | 1991-01-01 |
| 4427550 | Regeneration of adsorbents | — | 1984-01-24 |
| 4363749 | Water clarification coagulant/adsorbent | Donald E. Weiss, Luis O. Kolarik, Nevil J. Anderson | 1982-12-14 |
| 4279756 | Water clarification | Donald E. Weiss, Luis O. Kolarik, Nevil J. Anderson | 1981-07-21 |