Title:
Orthodontic appliance
United States Patent 1531898
Inventors:
Angle, Edward H.
Atkinson, Spencer R.
Publication Date:
03/31/1925
Export Citation:
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Assignee:
Angle, Edward H.
Atkinson, Spencer R.
Primary Class:
433/3
International Classes:
A61C7/02; A61C7/00
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