Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6685759 | Cascade impactor and jet plate for same | Robert S. Dahlin, William Earl Farthing | 2004-02-03 |
| 4872887 | Method for flue gas conditioning with the decomposition products of ammonium sulfate or ammonium bisulfate | Ralph F. Altman, John P. Gooch, Edward B. Dismukes | 1989-10-10 |