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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 controls operable with battery door

Electrical audio signal processing systems and devices – Sound effects – Reverberators
Patent

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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 – Sound effects – Reverberators
Patent

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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 – Sound effects – Reverberators
Patent

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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

Electrical audio signal processing systems and devices – Sound effects – Reverberators
Patent

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Hearing aid device and corresponding operating method

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

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Hearing aid device and method for providing an improved fit and

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

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Hearing aid device attachable to an eyeglasses bow

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

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Hearing aid device incorporating signal processing techniques

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

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Hearing aid device incorporating signal processing techniques

Electrical audio signal processing systems and devices – Sound effects – Reverberators
Patent

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Hearing aid device incorporating signal processing techniques

Electrical audio signal processing systems and devices – Hearing aids – electrical – Wideband gain control
Patent

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Hearing aid device incorporating signal processing techniques

Electrical audio signal processing systems and devices – Hearing aids – electrical – Wideband gain control
Patent

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Hearing aid device or hearing device system with a clock...

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

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Hearing aid device or hearing device system with a clock...

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

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Hearing aid device to be worn in the ear

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

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