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Title:
Prophylactic sheath or envelope
United States Patent 2389831
Inventors:
Welsh, Samuel J.
Publication Date:
11/27/1945
View Patent Images:
Download PDF 2389831
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Assignee:
Welsh, Samuel J.
Primary Class:
2/21
Other Classes:
604/352
International Classes:
A61F13/10
;
A61F15/00