4. Acoustics
  5. Diaphragm and enclosure
  6. Reflector baffle

John A. King

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Acoustical transducer

Electrical generator or motor structure – Dynamoelectric – Rotary
Patent

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Humidity resistant meter reading device

Boots – shoes – and leggings
Patent

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Loudspeaker having acoustic impedance frontal loading element

Acoustics – Diaphragm and enclosure – Reflector baffle
Patent

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Loudspeaker having apertured acoustic impedance frontal loading

Acoustics – Diaphragm and enclosure – Reflector baffle
Patent

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Loudspeaker padring and method of making the same

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Profile ID: LFUS-PAI-P-307690

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