Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5814228 | Flotation method and apparatus | Gale L. Hubred, William A. C. Meekel | 1998-09-29 |
| 5693263 | Sparger for producing gas bubbles in a liquid | William A. C. Meekel | 1997-12-02 |
| 5643459 | Flotation method and apparatus | Gale L. Hubred, William A. C. Meekel | 1997-07-01 |
| 5584995 | Floatation method and apparatus | William A. C. Meekel | 1996-12-17 |