Tooth brush

Details Tooth brush Tooth brush

1984-08-31

1986-04-15

Kemper, Catherine E.

Brushware

Toothbrush or handle therefor

Circular head

Patent

active

D02833751

REFERENCES:
patent: D47669 (1915-08-01), Hunt
patent: D100558 (1936-07-01), Hachman
patent: D102048 (1936-11-01), Brothers et al.
patent: 1153409 (1915-09-01), Wheeler
patent: 2110315 (1938-03-01), Wolfson
patent: 2189175 (1940-02-01), Jackson
patent: 2798241 (1957-07-01), Cohen
patent: 4220144 (1980-09-01), Balais
patent: 4486109 (1984-12-01), Rosofsky
patent: 4543679 (1985-10-01), Rosofsky et al.

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