Title:
Medical appliance
United States Patent 1327786

Inventors:
Stephan, Charles H.
Publication Date:
01/13/1920
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Assignee:
Stephan, Charles H.
Primary Class:
601/154
Other Classes:
601/135, 604/217, 606/197, 604/27
International Classes:
A61H21/00; A61M31/00