Undertaking
Patent
1985-12-26
1988-01-12
Apley, Richard J.
Undertaking
128136, A63B 2300, A61F 556
Patent
active
047186623
ABSTRACT:
A device having an outer marginal area for clenched retention between the upper and lower teeth. Tongue supporting members extend inwardly and upwardly from the marginal area to properly position the tongue with the tongue tip in contact with the upper alveolar ridge of the gum. Openings permit passage of saliva through the device. Projections, on a modified form of the device, cause tongue discomfort if the tongue is improperly located below the device.
REFERENCES:
patent: 1365684 (1921-01-01), Guise
patent: 2077245 (1937-04-01), Locke
patent: 3103052 (1963-09-01), Rector
patent: 3768477 (1973-10-01), Anders et al.
patent: 3871370 (1975-03-01), McDonald
patent: 4185817 (1980-01-01), Peterson
Apley Richard J.
Crow S. R.
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