Stem with brush head for electric toothbrush

Details Stem with brush head for electric toothbrush Stem with brush head for electric toothbrush

1997-09-04

1998-08-25

Douglas, Alan P.

Brushware

Powered

Electric toothbrush

D4111, 0402

Patent

active

D03972526

REFERENCES:
patent: D274018 (1984-05-01), Usui
patent: D335579 (1993-05-01), Chuang
patent: D353490 (1994-12-01), Hartwein
patent: 5652990 (1997-08-01), Driesen et al.

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