Brushware – Powered – Electric toothbrush
Patent
1996-08-29
1997-12-30
Douglas, Alan P.
Brushware
Powered
Electric toothbrush
D4111, 0402
Patent
active
D03882527
REFERENCES:
patent: D341943 (1993-12-01), Si-Hoe
patent: D361433 (1995-08-01), Yang
patent: D371242 (1996-07-01), Shimatsu et al.
patent: 5544382 (1996-08-01), Giuliani et al.
Figur Bernd
Stutzer Franz Alban
Douglas Alan P.
Rowenta-Werke GmbH
Tabor Lavone D.
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