Toothbrush

Details Toothbrush Toothbrush

1984-09-20

1986-05-27

Kemper, Catherine E.

Brushware

Toothbrush or handle therefor

Plural brush groups

Patent

active

D02839512

REFERENCES:
patent: 741722 (1903-10-01), Ryder et al.
patent: 1565750 (1925-12-01), Nathanson
patent: 1679946 (1928-08-01), Ruff
patent: 2283686 (1942-05-01), McCune
patent: 3067447 (1962-12-01), Birch
patent: 3146478 (1964-09-01), Rosenthal
patent: 4486914 (1984-12-01), Planten et al.

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