Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9895088 | Hearing protection device with integrated audiometric testing | Viggo Henriksen, Trym Holter, Olav Kvaloy, Georg E. Ottesen, Odd Kristen Østern Pettersen +2 more | 2018-02-20 |
| 9554733 | Hearing protection device with integrated audiometric testing | Viggo Henriksen, Trym Holter, Olav Kvaløy, Georg E. Ottesen, Odd Kristen Østern Pettersen +2 more | 2017-01-31 |