Toothbrush head

Details Toothbrush head Toothbrush head

1996-08-28

1998-03-10

Douglas, Alan P.

Brushware

Toothbrush or handle therefor

0402

Patent

active

D03917649

REFERENCES:
patent: D201867 (1965-08-01), Newman
patent: D279838 (1985-07-01), Hjelle
patent: D332873 (1993-02-01), Hall
patent: D334473 (1993-04-01), Volpenhein et al.
patent: D359851 (1995-07-01), Loew
patent: 1018927 (1912-02-01), Sarrazin
patent: 3934298 (1976-01-01), Kim
patent: 4081876 (1978-04-01), Pugh
patent: 4894880 (1990-01-01), Aznavoorian

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