Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9554733 | Hearing protection device with integrated audiometric testing | Viggo Henriksen, Trym Holter, Olav Kvaløy, Asle Melvaer, Odd Kristen Østern Pettersen +2 more | 2017-01-31 |