Device for facial exercising to be applied in the oral cavity

Details Device for facial exercising to be applied in the oral cavity Device for facial exercising to be applied in the oral cavity

1978-05-01

1980-04-08

Johnson, Richard J.

Undertaking

A63B 2300

Patent

active

041969022

ABSTRACT:
The invention relates to a device for facial exercising to be applied in the oral cavity, comprising a piece of non-toxic yielding material having an anatomic crescent shape, provided with an inner core allowing to suit the curvature of the device to any form of oral cavity.

REFERENCES:
patent: 1466559 (1923-08-01), Purdy
patent: 1953088 (1934-04-01), Purdy
patent: 3089487 (1963-05-01), Enicks
patent: 3178820 (1965-04-01), Kesling
patent: 3386732 (1968-06-01), Robins
patent: 3528655 (1970-09-01), Ruderian
patent: 3547433 (1970-12-01), Robins

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