Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4422246 | Process for feeding slurry-pressurized and solvent-dewatered coal into a pressurized zone | Donald E. Hardesty | 1983-12-27 |
| 4372927 | Sulfur oxides removal | — | 1983-02-08 |