Handle for an electric toothbrush

Details Handle for an electric toothbrush Handle for an electric toothbrush

1995-12-04

1997-08-19

Word, A. Hugo

Brushware

Powered

Electric toothbrush

D4138, 0402

Patent

active

D03824071

REFERENCES:
patent: D197048 (1963-12-01), Troy
patent: D199560 (1964-11-01), Thompson
patent: D202873 (1965-11-01), Husted
patent: D204127 (1966-03-01), Syvertson
patent: D358713 (1995-05-01), Perry
patent: D370125 (1996-05-01), Craft et al.
patent: 2158738 (1939-05-01), Baker et al.
patent: 2206726 (1940-07-01), Lasater
patent: 2875458 (1959-03-01), Tsuda
patent: 3104405 (1963-09-01), Perrinjaquet
patent: 3466689 (1969-09-01), Aurelio et al.
patent: 3840932 (1974-10-01), Balamuth et al.
patent: 4991249 (1991-02-01), Suroff
Teledyne Water Pik "Plaque Control 3000" plaque removal instrument (Jul. 1991).
American Dentronics Incorporated "Soniplak" sonic plaque removal system (May 1993).
Teledyne Water Pik "Sensonic" toothbrush, sales brochure (at least as early as Sep. 1994).

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