Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4746434 | Process for treating sour water in oil refineries | Robert J. Baechle, John M. Considine, Lawrence M. Bristow | 1988-05-24 |
| 4585063 | Oil shale retorting and retort water purification process | Dean G. Venardos | 1986-04-29 |
| 4495056 | Oil shale retorting and retort water purification process | Dean G. Venardos | 1985-01-22 |