Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8223984 | System for forming a hearing protector, ear cup in such a system, and hearing protector formed by such a system | Anders Roos, Joakim Birgersson | 2012-07-17 |
| D541483 | Hearing protector | Joakim Birgersson, Emil Marklund, Anders Roos | 2007-04-24 |
| D541484 | Hearing protector for protective helmets | Joakim Birgersson, Emil Marklund, Anders Roos | 2007-04-24 |