Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5582734 | Oxidation ditch modification and automated control system for nitrogen removal and sludge settling improvements | Thomas E. Coleman, Darrel S. Fleischman, H. David Stensel | 1996-12-10 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5582734 | Oxidation ditch modification and automated control system for nitrogen removal and sludge settling improvements | Thomas E. Coleman, Darrel S. Fleischman, H. David Stensel | 1996-12-10 |