Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4346008 | Rotary drum filter | Milton D. Leighton | 1982-08-24 |
| 4314886 | Mechanically agitated liquid-vapor contacting apparatus | — | 1982-02-09 |
| 4309288 | Rotary drum filter | Derek J. Watridge | 1982-01-05 |