Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5210595 | Solids concentration detector | James A. Devore, Hayward B. Oblad | 1993-05-11 |
| 5011595 | Combination feedforward-feedback froth flotation cell control system | Hayward B. Oblad | 1991-04-30 |
| 5006231 | Flocculant control system | Hayward B. Oblad | 1991-04-09 |
| 4950908 | Flocculant control system | Hayward B. Oblad | 1990-08-21 |