Brushware – Toothbrush or handle therefor – Plural brush groups
Patent
1991-03-11
1993-05-18
Burke, Wallace R.
Brushware
Toothbrush or handle therefor
Plural brush groups
Patent
active
D03355799
REFERENCES:
patent: D108852 (1938-03-01), Herrick et al.
patent: D226942 (1973-05-01), Okuda
patent: D238834 (1976-02-01), Hjelle
patent: D274018 (1984-05-01), Usui
patent: D279526 (1985-07-01), Sturdza
Burke Wallace R.
Tabor Lavone D.
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