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TODAY’S PATENT – TWIN TOOTHBRUSHES

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TODAY’S PATENT – TWIN TOOTHBRUSHES

On May 4th 1976, Camille Henri Froidevaux was granted patent by the USPTO (US3953907A) for his invention – “twin toothbrushes”.

The invention pertains to a toothbrush and more particularly to one which has opposite bristles shaped like a catapult. This enables both side cleaning of the teeth.

The purpose of the invention is that, unlike other toothbrushes which cleans the teeth from one side at a time, this one cleans the teeth from both sides and simultaneously. How that helps? The vertical strokes ensure the dirt is removed absolutely and not just moved/pushed back and forth, like any other toothbrush.

Also, the spacing between the bristles is such that it is capable of adapting to the thickness of the teeth, whether thick or thin, and brushing with equal force.

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