Toothbrush

Details Toothbrush Toothbrush

1997-04-03

1998-07-28

Douglas, Alan P.

Brushware

Toothbrush or handle therefor

0402

Patent

active

D03963497

REFERENCES:
patent: D94303 (1935-01-01), Hadley
patent: D118268 (1939-12-01), Salit
patent: D219121 (1970-11-01), Krahner
patent: D255511 (1980-06-01), Hill et al.
patent: D273724 (1984-05-01), Gillow
patent: D301939 (1989-07-01), Ambasz
patent: D317986 (1991-07-01), Huang
patent: D336991 (1993-07-01), Makinami
patent: 3917420 (1975-11-01), Watson
patent: 4780924 (1988-11-01), Hansen et al.

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