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

William J. Gastmeier

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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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Hearing aid wax guard

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Piezoelectric ceramic transducers with uniform resonant frequenc

Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent

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Profile ID: LFUS-PAI-P-174878

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