Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8298426 | Method of treating a liquid by counter current supersaturation oxygenation | Ronald W. Ketler | 2012-10-30 |
| 7992845 | Counter current supersaturation oxygenation system | Ronald W. Keller | 2011-08-09 |
| 7900895 | Counter current supersaturation oxygenation system | Ronald W. Keller | 2011-03-08 |