Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12383432 | Hearing protection device | Erik Swendgaard, Odd Kr. Ø. Pettersen, Håkon Aurvik | 2025-08-12 |
| 11944517 | Hearing protection device having dosimeter with alerting function | Tom Trones | 2024-04-02 |
| 11930330 | System for monitoring sound | — | 2024-03-12 |
| 9554733 | Hearing protection device with integrated audiometric testing | Viggo Henriksen, Trym Holter, Asle Melvaer, Georg E. Ottesen, Odd Kristen Østern Pettersen +2 more | 2017-01-31 |
| 6728385 | Voice detection and discrimination apparatus and method | Georg E. Ottesen, Viggo Henriksen, Sverre Stensby, Svein Sørsdal, Odd Kr. Ø. Pettersen +1 more | 2004-04-27 |