Toothbrush

Details Toothbrush Toothbrush

1994-03-29

1995-05-30

Spisich, Mark

Brushing, scrubbing, and general cleaning

Implements

Brush or broom

15DIG5, A46B 904

Patent

active

054190010

ABSTRACT:
A toothbrush having the following combination of bristles: bristles that taper downward at the front of the toothbrush relative to the rear of the toothbrush, a central row of bristles that is the tallest and hardest, and side rows of bristles that are softer and shorter.

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patent: 4519111 (1985-05-01), Cavazza
patent: 4724570 (1988-02-01), Hitzman
patent: 5201092 (1993-04-01), Colson

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