Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4746498 | Process for reducing gaseous sulfur dioxide content of flue gases by preheating coals prior to burning such coals and by controlling combustion temperature levels | Virgil J. Barczak, John Campbell | 1988-05-24 |