Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836988 | Apparatus for removal of nitrogen oxides from flue gas | Wolfgang Kristof, Gerhard Linde | 1989-06-06 |
| 4725416 | Removal of nitrogen oxides from flue gas | Wolfgang Kristof, Gerhard Linde | 1988-02-16 |