Rotary dental brush

Details Rotary dental brush Rotary dental brush

1990-02-16

1992-10-20

Burke, Wallace R.

Brushware

Toothbrush or handle therefor

Rotary brush

Patent

active

D03302873

REFERENCES:
patent: D144163 (1946-03-01), Dolnick
patent: D306925 (1990-03-01), Bell
patent: 1225955 (1917-05-01), Hickman
patent: 1338821 (1920-05-01), Eisner et al.
patent: 1467874 (1923-09-01), Muchow
patent: 1893002 (1933-01-01), Rothschild
patent: 2220053 (1940-10-01), Pruner
patent: 2435421 (1948-02-01), Blair
patent: 2464321 (1949-03-01), Konczal
patent: 2653598 (1953-09-01), Torino
patent: 4296518 (1981-10-01), Furrier et al.
patent: 4592109 (1986-06-01), Borea et al.

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