Brushware – Toothbrush or handle therefor – Plural brush groups
Patent
1988-09-02
1991-10-29
Burke, Wallace R.
Brushware
Toothbrush or handle therefor
Plural brush groups
D 4111
Patent
active
D03210928
REFERENCES:
patent: D232278 (1974-08-01), Gallo
patent: D273153 (1984-03-01), Wagner
patent: D286911 (1986-11-01), Campbell et al.
patent: D288148 (1987-02-01), Malgrain
patent: D311454 (1990-10-01), Rethman
patent: 2807820 (1957-10-01), Dinhofer
patent: 4654921 (1987-04-01), Dinner
Woll Douglas R.
Woll Margo Y.
Burke Wallace R.
Tabor Lavone D.
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