Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4696114 | Method and apparatus for the drying of solid materials by displacement | — | 1987-09-29 |
| 4406796 | Method and apparatus for cleaning fine waste material mixed with oil and water | — | 1983-09-27 |
| 4288329 | Method and apparatus for cleaning fine waste material mixed with oil and water | — | 1981-09-08 |