Brushware – Powered – Electric toothbrush
Patent
1994-06-06
1996-05-28
Word, A. Hugo
Brushware
Powered
Electric toothbrush
D 4138
Patent
active
D03701255
REFERENCES:
patent: D197048 (1963-12-01), Troy
patent: D199560 (1964-11-01), Thompson
patent: D199893 (1964-12-01), Bond et al.
patent: D202873 (1965-11-01), Husted
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).
Craft Adam B.
Serbinski Andrew
Osman Lee R.
Tabor Lavone
Teledyne Industries Inc.
Word A. Hugo
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