Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5367137 | Method of producing a protective gas and a gas mixture therefor | Nils Hammarlund, Kjell-Arne Persson | 1994-11-22 |
| 4292493 | Method for decomposing ozone | Lennart Selander, Lars Fahlen | 1981-09-29 |
| 4240798 | Method and apparatus for reducing ozone | Rurik Wendelin | 1980-12-23 |