Toothbrush handle

Details Toothbrush handle Toothbrush handle

1990-01-19

1992-03-24

Burke, Wallace R.

Brushware

Toothbrush or handle therefor

D 4138

Patent

active

D03247759

REFERENCES:
patent: D99110 (1936-03-01), Bickel
patent: D163707 (1951-06-01), Pifer
patent: D240981 (1976-08-01), Hill et al.
patent: D255511 (1980-06-01), Hill et al.
patent: D285263 (1986-08-01), Hill
patent: D289583 (1987-05-01), Chan
patent: D292448 (1987-10-01), Vianello
patent: 1018927 (1912-02-01), Sarrazin
patent: 2153554 (1939-04-01), Fitzgerald
patent: 4800608 (1989-01-01), Key

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