Dental cleaning instrument

Details Dental cleaning instrument Dental cleaning instrument

1988-04-11

1991-08-06

Burke, Wallace R.

Brushware

Toothbrush or handle therefor

Combined with diverse article

D28 64

Patent

active

D03187616

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patent: 4467822 (1984-08-01), Blackwell
patent: 4530369 (1985-07-01), Adams
patent: 4580587 (1986-04-01), Rittich et al.
patent: 4622984 (1986-11-01), Gaebel

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