Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695648 | Method and apparatus for withdrawing effluent from a solids-contacting vessel having an adjustable weir | John J. Fassbender, Donald N. Ruehrwein | 1997-12-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695648 | Method and apparatus for withdrawing effluent from a solids-contacting vessel having an adjustable weir | John J. Fassbender, Donald N. Ruehrwein | 1997-12-09 |