Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6743362 | Sewage treatment process | James Porteous, Dennis Livingston | 2004-06-01 |
| 6712970 | Sewage treatment process with phosphorus removal | — | 2004-03-30 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6743362 | Sewage treatment process | James Porteous, Dennis Livingston | 2004-06-01 |
| 6712970 | Sewage treatment process with phosphorus removal | — | 2004-03-30 |