4. Electrical audio signal processing systems and devices
  5. Hearing aids, electrical
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Continuous frequency dynamic range audio compressor

Electrical audio signal processing systems and devices – Hearing aids – electrical – Remote control – wireless – or alarm
Patent

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Control panel with activation zone

Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Reexamination Certificate

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Control panel with activation zone

Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Coupled dual cone velocity driver speaker

Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Patent

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Cover device for hearing aids

Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Reexamination Certificate

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Customized in-ear interface for acoustic equipment and method

Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Reexamination Certificate

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