Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9723400 | Integrated loudspeaker device having an acoustic chamber containing sound adsorber material | Josef Herold | 2017-08-01 |
| 9615165 | Loudspeaker device having foam insert to improve gas distribution in sound adsorber material | Josef Herold | 2017-04-04 |