Set of bristles for a toothbrush

Details Set of bristles for a toothbrush Set of bristles for a toothbrush

1997-10-31

1998-11-10

Douglas, Alan P.

Brushware

Toothbrush or handle therefor

0402

Patent

active

D04007131

REFERENCES:
patent: D332873 (1993-02-01), Hall
patent: D334473 (1993-04-01), Volpenhein et al.
patent: D358486 (1995-05-01), Loew
patent: D372584 (1996-08-01), Yost et al.
patent: D380302 (1997-07-01), Volpenhein
patent: 1887913 (1932-11-01), Bell
patent: 2978724 (1961-04-01), Gracian
patent: 5392483 (1995-02-01), Heinzelman et al.
patent: 5459898 (1995-10-01), Bacolot
patent: 5511275 (1996-04-01), Volpenhein et al.

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