Electric toothbrush

Details Electric toothbrush Electric toothbrush

1985-05-06

1988-03-29

Kemper, Catherine E.

Brushware

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Electric toothbrush

Patent

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D02948850

REFERENCES:
patent: D149620 (1948-05-01), Darr
patent: D204127 (1966-03-01), Syvertson
patent: D220239 (1971-03-01), Rams et al.
patent: D228983 (1973-11-01), Janssens
patent: D232278 (1974-08-01), Gallo
patent: D276936 (1984-12-01), Fattaleh
patent: D278764 (1985-05-01), Olsen
patent: 3161899 (1964-12-01), Poizat
patent: 3235897 (1966-02-01), Fortenberry
patent: 3451086 (1969-06-01), Burgett
patent: 3512201 (1970-05-01), Taylor
patent: 3551932 (1971-01-01), Grossman
patent: 3739416 (1973-06-01), Kurachi
patent: 3800350 (1974-04-01), Francolino
patent: 3829922 (1974-08-01), Koblanski
patent: 4163300 (1979-08-01), Quint
patent: 4275749 (1981-06-01), Caroli
patent: 4304023 (1981-12-01), O'Rourke
patent: 4313237 (1982-02-01), Smith
patent: 4335480 (1982-06-01), Liu
patent: 4397055 (1983-08-01), Cuchiara

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