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Hearing aid apparatus

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

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Hearing aid apparatus

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

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Hearing aid apparatus

Electrical audio signal processing systems and devices – Hearing aids – electrical – Frequency transposition
Reexamination Certificate

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Hearing aid assembly

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

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Hearing aid assembly

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

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Hearing aid assembly

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

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Hearing aid assembly having external directional microphone

Electrical audio signal processing systems and devices – Hearing aids – electrical – Directional
Reexamination Certificate

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Hearing aid battery barrier

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

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Hearing aid battery door seal

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

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Hearing aid communications earpiece

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

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Hearing aid compatible piezoelectric speaker

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

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Hearing aid comprising adaptive feedback suppression system

Electrical audio signal processing systems and devices – Hearing aids – electrical – Noise compensation circuit
Reexamination Certificate

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Hearing aid comprising an array of microphones

Electrical audio signal processing systems and devices – Hearing aids – electrical – Directional
Reexamination Certificate

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Hearing aid connection system

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

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Hearing aid construction with electronic components...

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

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Hearing aid design

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

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Hearing aid design

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

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Hearing aid device

Electrical audio signal processing systems and devices – Hearing aids – electrical
Reexamination Certificate

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Hearing aid device

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

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Hearing aid device and corresponding operating method

Electrical audio signal processing systems and devices – Hearing aids – electrical – Directional
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