Title:
Catamenial plug
United States Patent 1932383

Inventors:
Richardson, Frederick S.
Publication Date:
10/24/1933
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Assignee:
Richardson, Frederick S.
Primary Class:
604/375
Other Classes:
604/904, 604/363, 602/47, 604/359, 604/377, 28/120
International Classes:
A61F13/20