LandOfFree - US Patents - Listing for Electrical audio signal processing systems and devices,Hearing aids, electrical,Directional

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Diotic presentation of second-order gradient directional...

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

Reexamination Certificate

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Diotic presentation of second-order gradient directional...

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

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Directional hearing device

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

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Directional microphone assembly

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

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Directional microphone assembly

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

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Directional microphone assembly

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

Patent

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Directional microphone assembly

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

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Directional microphone assembly

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

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Directional microphone assembly

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

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Directional microphone assembly

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

Patent

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Directional microphone system

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

Reexamination Certificate

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Directional microphone system providing for ease of assembly and

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

Patent

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Directional/omni-directional hearing aid microphone and housing

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

Reexamination Certificate

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