Transparent toothbrush handle

Details Transparent toothbrush handle Transparent toothbrush handle

1993-03-24

1994-08-16

Burke, Wallace R.

Brushware

Toothbrush or handle therefor

Patent

active

D03496058

REFERENCES:
patent: D49472 (1916-08-01), Dierke
patent: D122500 (1940-09-01), Norton
patent: D288148 (1987-02-01), Malgrain
patent: D305385 (1990-01-01), Schneider
patent: D305386 (1990-01-01), Rams et al.
patent: D328392 (1992-08-01), Holstein, II et al.
patent: 1337173 (1920-04-01), White
patent: 1440785 (1923-01-01), Levis
patent: 1927365 (1933-09-01), Frolio
patent: 2217439 (1940-10-01), Fuller
patent: 3722020 (1973-03-01), Hills
patent: 4712267 (1987-12-01), Cheng
patent: 4800608 (1989-01-01), Key
patent: 5046212 (1991-09-01), O'Conke
Sample of "ORTHO" brush, manufactured and sold by Oral-B Laboratories, Inc. Redwood City, Calif. (1989).

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