Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4973457 | Method for the reduction of nitrogen oxide | Gunnar Kongshaug, Leif Hjornevik, Erik Fareid | 1990-11-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4973457 | Method for the reduction of nitrogen oxide | Gunnar Kongshaug, Leif Hjornevik, Erik Fareid | 1990-11-27 |