Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D492289 | Microphone | Juha Latti, Heikki Hietanen | 2004-06-29 |
| D460436 | Earphone or microphone | Mats Björklund | 2002-07-16 |
| 5970155 | Headset for hearing protectors | — | 1999-10-19 |
| 5790681 | Fixing assembly for a helmet headset | — | 1998-08-04 |