Dental device
United States Patent 1694636

Inventors:
Barker, Horace E.
Publication Date:
12/11/1928
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Assignee:
Barker, Horace E.
Primary Class:
15/110
Other Classes:
15/169, 15/180, 15/167.100, 15/207.200, 601/141
International Classes:
A46B9/10; A46B15/00; A46B9/00