Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4588569 | Dry injection flue gas desulfurization process using absorptive soda ash sorbent | William C. Copenhafer | 1986-05-13 |
| 4555391 | Dry injection flue gas desulfurization process | Kuei-Hsiung Wang | 1985-11-26 |