Toothbrush

Details Toothbrush Toothbrush

1997-09-29

1998-12-08

Douglas, Alan P.

Brushware

Toothbrush or handle therefor

0402

Patent

active

D04021142

REFERENCES:
patent: D333216 (1993-02-01), Bruns et al.
patent: D368163 (1996-03-01), Overthun
patent: D374350 (1996-10-01), Yost et al.
patent: D376695 (1996-12-01), Tveras
patent: D383608 (1997-09-01), Yamamoto et al.
patent: 1567507 (1925-12-01), Howard
patent: 1901646 (1933-03-01), Hicks
patent: 4780924 (1988-11-01), Hansen et al.
patent: 5398369 (1995-03-01), Heinzelman et al.
patent: 5628082 (1997-05-01), Moskovich

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