Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5021157 | Filtration, drainage, and drying apparatus for deliquification of sludges | Kenneth M. Drake, John W. Anderson, Fred I. Peyton | 1991-06-04 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5021157 | Filtration, drainage, and drying apparatus for deliquification of sludges | Kenneth M. Drake, John W. Anderson, Fred I. Peyton | 1991-06-04 |