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

Raymond R. Hill

Inventor

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Dual component dispenser gun

Dispensing – Plural sources – compartment – containers and/or spaced jacket – With discharge assistant for each source
Patent

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Harmonic electric actuator

Electrical generator or motor structure – Dynamoelectric – Rotary
Patent

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Musical tea kettle

Signals and indicators – Alarms – Reeled material end
Patent

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Stethoscope with improved resonant cavity amplification

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Stethoscope with probe sound pick-up and resonant cavity amplifi

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Profile ID: LFUS-PAI-P-307668

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