Brushware – Powered – Electric toothbrush
Patent
1999-08-25
2000-11-07
Douglas, Alan P.
Brushware
Powered
Electric toothbrush
D4111, 0402
Patent
active
D04332326
REFERENCES:
patent: D361433 (1995-08-01), Yang
patent: D388252 (1997-12-01), Stutzer et al.
patent: D388958 (1998-01-01), Hartwein
patent: 4619009 (1986-10-01), Rosenstatter
patent: 5054149 (1991-10-01), Si-hoe et al.
Figur Bernd
Stutzer Franz Alban
Douglas Alan P.
Rowenta-Werke GmbH
Tabor Lavone
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