LandOfFree - US Patents - Listing for Electrical audio signal processing systems and devices,Hearing aids, electrical,Specified casing or housing

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Taut armature resonant impulse transducer

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

Patent

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Teleconferencing acoustic transducer

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

Patent

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Telephone handset

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

Reexamination Certificate

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Telephone line triggered attenuator

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

Patent

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Telephone transmission system on a road-vehicle

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

Patent

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Tool for hearing aid adjustment

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

Reexamination Certificate

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Tool for insertion and removal of a hearing aid ear wax...

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

Transducer

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

Patent

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Transducer

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

Patent

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Transducer device

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

Patent

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Transducer for electromagnetic hearing devices

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

Reexamination Certificate

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Two stage implantable microphone

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Two terminal microphone active load gain regulation circuit

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

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