Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872887 | Method for flue gas conditioning with the decomposition products of ammonium sulfate or ammonium bisulfate | Ralph F. Altman, Edward B. Dismukes, Edward C. Landham, Jr. | 1989-10-10 |