4. Acoustics
  5. Anatomic or prosthetic relation
  6. Ear and mouth
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Pressure regulating earplug

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Pressure ring for ear cover

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Preventing faulty operation of elevator car door

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Production process for custom-moulded ear-plug devices

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

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Protective cover for a contact surface for a stethoscope

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Protective stethoscope cover having a head cover connected to a

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Pyramid loudspeakers with twin cross-phased mid-range speakers

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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