Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5911956 | Method of purifying gases containing nitrogen oxides and an apparatus for purifying gases in a steam generation boiler | Matti Hiltunen, Yam Y. Lee | 1999-06-15 |
| 5465690 | Method of purifying gases containing nitrogen oxides and an apparatus for purifying gases in a steam generation boiler | Matti Hiltunen, Yam Y. Lee | 1995-11-14 |