Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5337496 | Sludge treatment process | — | 1994-08-16 |
| 4989344 | Particulate removal for a sludge treatment process | — | 1991-02-05 |
| 4956926 | Sludge treatment process | — | 1990-09-18 |
| 4953478 | Odor control for a sludge treatment process | — | 1990-09-04 |
| 4860671 | Odor control for a sludge treatment process | — | 1989-08-29 |
| 4852269 | Combined sewage and lime slude treatment process | — | 1989-08-01 |
| 4829678 | Sludge treatment process | — | 1989-05-16 |
| 4761893 | Sludge treatment process | — | 1988-08-09 |