Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5611917 | Flotation cell crowder device | — | 1997-03-18 |
| 4226706 | Dispersed air flotation machine | William V. Colbert | 1980-10-07 |
| 4220612 | Flotation cell feed duct | William V. Colbert | 1980-09-02 |