Tongue brush head and handle unit

Details Tongue brush head and handle unit Tongue brush head and handle unit

1997-12-02

1998-11-03

Douglas, Alan P.

Brushware

Toothbrush or handle therefor

Circular head

D4138, 0402

Patent

active

D04003578

REFERENCES:
patent: D243422 (1977-02-01), Varga
patent: D309528 (1990-07-01), Valenti
patent: D332352 (1993-01-01), Caldwell et al.
patent: D367707 (1996-03-01), Baker
patent: D376695 (1996-12-01), Tveras
patent: D388616 (1998-01-01), Wieder et al.
patent: D391769 (1998-03-01), Kling et al.
patent: 3943592 (1976-03-01), Bhaskar et al.
patent: 4079478 (1978-03-01), Andrews, Sr.
patent: 4638521 (1987-01-01), Potente et al.
patent: 5226197 (1993-07-01), Nack et al.
patent: 5398369 (1995-03-01), Heinzelman et al.
patent: 5613262 (1997-03-01), Choy-Maldonado

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