Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9936286 | Loudspeaker device having foam insert to improve gas distribution in sound adsorber material | Christoph Schmauder | 2018-04-03 |
| 9723400 | Integrated loudspeaker device having an acoustic chamber containing sound adsorber material | Christoph Schmauder | 2017-08-01 |
| 9635455 | Speaker with grained zeolite material in deep-drawn foil resonance volume | Michael Schoffmann, Helmut Wasinger, Mark Hannah | 2017-04-25 |
| 9615165 | Loudspeaker device having foam insert to improve gas distribution in sound adsorber material | Christoph Schmauder | 2017-04-04 |