Mouth protector
United States Patent 2750941
US Patent References:
Pad for dental impression trays
- - 1517197

Teeth protector
- - 1843337


Inventors:
Cathcart, Jack F.
Publication Date:
06/19/1956
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Assignee:
Fred, Moffett P.
Primary Class:
128/862
International Classes:
A63B71/08
Foreign References:
GB291699A