Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855060 | Method and additive for clarifying aqueous systems without production of uncontrollable floc | Urban C. Conkle, Hartley H. Downs | 1989-08-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855060 | Method and additive for clarifying aqueous systems without production of uncontrollable floc | Urban C. Conkle, Hartley H. Downs | 1989-08-08 |