Mouth cleansing device
United States Patent 1920165

Inventors:
Hans, Andvig
Publication Date:
08/01/1933
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Assignee:
Hans, Andvig
Primary Class:
222/80
Other Classes:
607/105, 239/528, 239/309, 239/372, 239/373, 222/399, 239/415, 239/375, 239/587.500
International Classes:
A61M11/02; A61M11/00