Finger-supported dental tray
United States Patent 2970379
US Patent References:
/0538110.html
- - 0538110

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- - 2080210

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- - 2357697

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- - 2665479


Inventors:
Hardgrove, James F.
Publication Date:
02/07/1961
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Assignee:
UNIVERSAL PRODUCTS CORP
Primary Class:
433/163
Other Classes:
D24/176, 63/1.120, 220/820, D27/104, 63/15, 131/258
International Classes:
A61C19/00