Electric toothbrush head and handle unit

Details Electric toothbrush head and handle unit Electric toothbrush head and handle unit

1996-01-02

1998-12-22

Douglas, Alan P.

Brushware

Powered

Electric toothbrush

D4104, 0402

Patent

active

D04028112

REFERENCES:
patent: D118268 (1939-12-01), Salit
patent: D304786 (1989-11-01), Kayamura
patent: D315449 (1991-03-01), Michaels et al.
patent: 2875458 (1959-03-01), Tsuda
patent: 5476384 (1995-12-01), Giuliani et al.
Eaton's catalogue: p. 17 from catalog (Fall/Winter 1995).
Electric Toothbrushes. Pamphlet by Ultra Sonex, 1994, Ultrasonic Toothbrush .

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