Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5618499 | Catalyst outage protection system | Edward C. Lewis, Donald P. Tonn | 1997-04-08 |
| 5603909 | Selective catalytic reduction reactor integrated with condensing heat exchanger for multiple pollutant capture/removal | Dennis W. Johnson, Robert B. Myers | 1997-02-18 |