Toothbrush head and handle unit

Details Toothbrush head and handle unit Toothbrush head and handle unit

1990-04-24

1992-09-29

Burke, Wallace R.

Brushware

Toothbrush or handle therefor

D 4138

Patent

active

D03297519

REFERENCES:
patent: D238834 (1976-02-01), Hjelle
patent: D270972 (1983-10-01), Rosofsky
patent: D273724 (1984-05-01), Gillow
patent: D312729 (1990-12-01), Auttajark
patent: D315449 (1991-03-01), Michaels et al.
patent: 1018927 (1912-02-01), Sarrazin

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