Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5877996 | Transducer arrangement | Svein Mjaaland, Erik Iversen Nakken | 1999-03-02 |
| 5559893 | Method and device for active noise reduction in a local area | Odd Kristen Østern Pettersen, Svein S.o slashed.rsdal | 1996-09-24 |