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Acoustic yoke

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Acoustical amplifying stethoscope

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Acoustical communications headset

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Acoustical communications headset

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Acoustical control plastisol earpieces

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Acoustical damping element and method of forming same

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Acoustical device

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Acoustical earmuff

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Acoustical hearing protective devices utilizing dynamically stif

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Acoustical speaker device

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Acoustical transducer with a slotted piston suspension

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Acoustical voice transmitting headset

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Acoustically insulated flexible tube assembly for stethoscopes

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Reexamination Certificate

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Acoustically shielded motorcycle helmet speaker enclosure

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Active control of sound waves

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Active control of sound waves

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Adaptor for mounting a sound tube in an earpiece

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Reexamination Certificate

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Adjustable brace

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Reexamination Certificate

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Adjustable earplug

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Adjustable headset

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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