4. Inductor devices
  5. Core

Gerald K. Brewer

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Charging coil core insert for electric toothbrushes

Inductor devices – Core
Patent

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Oral hygiene devices

Brushing – scrubbing – and general cleaning – Machines – Brushing
Reexamination Certificate

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Ultrasonic toothbrushes employing an acoustic waveguide

Brushing – scrubbing – and general cleaning – Machines – Brushing
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1249364

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