Brushware – Powered – Electric toothbrush
Patent
1989-06-30
1991-11-05
Gandy, James M.
Brushware
Powered
Electric toothbrush
D 4109
Patent
active
D03212858
REFERENCES:
patent: D110928 (1938-08-01), Moseley
patent: D203928 (1966-03-01), Terrell
patent: D220239 (1971-03-01), Rams et al.
patent: 3278975 (1966-10-01), Nakaya et al.
patent: 4333197 (1982-06-01), Kuris
patent: 4845795 (1989-07-01), Crawford et al.
Gandy James M.
Kabushiki Kaisha Izumi Seiki Seisakusho
Tabor Lavone D.
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