Toothbrush handle

Details Toothbrush handle Toothbrush handle

1992-11-02

1994-06-14

Burke, Wallace R.

Brushware

Toothbrush or handle therefor

Patent

active

D03477363

REFERENCES:
patent: D49472 (1916-08-01), Dierke
patent: D305386 (1990-01-01), Rams et al.
patent: D328392 (1992-08-01), Holstein, II et al.
patent: D334288 (1993-03-01), Witzig-Jaggi
patent: 1337173 (1920-04-01), White
patent: 1440785 (1923-01-01), Levis
patent: 1927365 (1933-09-01), Frolio
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, Redwood City, CA (1989).

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