Education and demonstration – Anatomy – physiology – therapeutic treatment – or surgery... – Dentistry
Patent
1998-09-22
1999-11-23
Hafer, Robert A.
Education and demonstration
Anatomy, physiology, therapeutic treatment, or surgery...
Dentistry
434262, 446 73, G09B 2328
Patent
active
059890363
ABSTRACT:
A device for encouraging the brushing of teeth by a child includes a doll having a toothbrush carried by an arm of the doll adjacent the mouth of the doll; an electrical motor; a transmission coupling the electrical motor to the doll's toothbrush for reciprocating the doll's toothbrush with respect to the doll's mouth to simulate brushing teeth; and an electrical control circuit including an electrical switch to be actuated for energizing the electrical motor.
REFERENCES:
patent: 1342156 (1920-06-01), Brittain
patent: 2926487 (1960-03-01), Stone
patent: 3998234 (1976-12-01), Stubbmann
Barish Benjamin J.
Hafer Robert A.
Miller Bena B.
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