Toothbrush

Details Toothbrush Toothbrush

1997-06-05

1998-12-08

Douglas, Alan P.

Brushware

Toothbrush or handle therefor

0402

Patent

active

D04021134

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patent: D386313 (1997-11-01), Moskovich
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patent: D386905 (1997-12-01), Brady et al.
patent: D387562 (1997-12-01), Brady et al.
patent: 1128139 (1915-02-01), Hoffman
patent: 2114947 (1938-04-01), Warsaw
patent: 4780924 (1988-11-01), Hansen et al.
patent: 5392483 (1995-02-01), Heinzelman et al.

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