Toothbrush

Details Toothbrush Toothbrush

1985-10-29

1987-05-12

Kemper, Catherine E.

Brushware

Toothbrush or handle therefor

Patent

active

D02897040

REFERENCES:
patent: D278662 (1985-05-01), Fay
patent: 1378530 (1921-05-01), Evslin
patent: 1929530 (1931-08-01), Abelson
patent: 2114947 (1938-04-01), Warsaw
patent: 2232269 (1939-03-01), Reuben
patent: 3474481 (1969-10-01), Soleymani et al.
patent: 4330896 (1982-05-01), Booth
"Schweiz. Machr. Zahnheilk." 82,452/40, 1972 (Allet et al.).
"Prophylaxe: ein Leitfaden fur die Zahnarztliche Praxis, Peters, 1978, pp. 71-77.

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