Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5006274 | Additive for clarifying aqueous systems without production of uncontrollable floc | Daniel K. Durham, Hartley H. Downs | 1991-04-09 |
| 4855060 | Method and additive for clarifying aqueous systems without production of uncontrollable floc | Daniel K. Durham, Hartley H. Downs | 1989-08-08 |