Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6584709 | Device for removing sludge from the bottom of a lagoon | Dennis J. Lambert | 2003-07-01 |
| 5250192 | Sludge dewatering by freezing | — | 1993-10-05 |
| 5202034 | Apparatus and method for removing water from aqueous sludges | — | 1993-04-13 |