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United States Patent 1845011
Inventors:
Yerkes, Gabrielle M. P.
Publication Date:
02/16/1932
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Download PDF 1845011
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Assignee:
Yerkes, Gabrielle M. P.
Primary Class:
623/7
Other Classes:
450/54, 2/267
International Classes:
A41C3/10
;
A61F2/52
;
A41C3/00
;
A61F2/50