Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| H871 | Froth flotation of mineral ores | — | 1991-01-01 |
| 4913805 | Apparatus and method for froth flotation | — | 1990-04-03 |
| 4659458 | Apparatus and method for froth flotation employing rotatably mounted spraying and skimming means | Robert F. Turner | 1987-04-21 |