Set of bristles for a toothbrush

Details Set of bristles for a toothbrush Set of bristles for a toothbrush

1990-07-13

1993-04-06

Burke, Wallace R.

Brushware

Toothbrush or handle therefor

Patent

active

D03344738

REFERENCES:
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Translation of Quality Testing the Ends of Bristles of Toothbrushes for children, Zahnaertzliche Mitteilungen vol. 77, #16, 1987, pp. 1740-1742, 1744-1745.
5 pages of sketches illustrating various brushes and a photograph of a toothbrush marketed by Lion Corporation (publication date unknown).

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