4. Brushing, scrubbing, and general cleaning
  5. Machines
  6. Brushing

John Geoffrey Chan

Inventor

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Bristle carrier for electric toothbrush

Baths – closets – sinks – and spittoons – Dry closets – With heating meas
Design Patent

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Electric toothbrush

Baths – closets – sinks – and spittoons – Dry closets – With heating meas
Design Patent

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Electric toothbrush having a flexible drive shaft

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

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Electric toothbrush having a flexible drive shaft

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

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Electric toothbrush housing design

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

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Profile ID: LFUS-PAI-P-2245095

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