Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6092667 | Method and apparatus for aeration of liquids or slurries | Arno Steinmuller, Andre Nardus Terblanche | 2000-07-25 |
| 5282538 | Flotation column | — | 1994-02-01 |
| 4804460 | Column flotation | James A. Finch | 1989-02-14 |