Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5441642 | Method and apparatus for controlled biological treatment of waste water | — | 1995-08-15 |
| 5332502 | Wastewater treatment | Brian Johnson, Mervyn Ogston | 1994-07-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5441642 | Method and apparatus for controlled biological treatment of waste water | — | 1995-08-15 |
| 5332502 | Wastewater treatment | Brian Johnson, Mervyn Ogston | 1994-07-26 |