Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9314056 | Breathing mask | Roman Skov, Torben Skov, Frank Kern | 2016-04-19 |
| 6403197 | Filter material | Martin Skov | 2002-06-11 |
| 6364978 | Method and apparatus for producing a filter material | Martin Skov | 2002-04-02 |
| 4974586 | Breathing mask | Martin Skov | 1990-12-04 |