Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4510124 | System for recovery of CO.sub.2 from flue gases containing SO.sub.2 | Harish R. Anada | 1985-04-09 |
| 4396491 | Solvent extraction of oil shale or tar sands | Alfred H. Stiller, Richard W. Hammack | 1983-08-02 |
| 4272356 | Coal extraction process | Alfred H. Stiller, Richard W. Hammack | 1981-06-09 |