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Mattress
United States Patent 2147348
Inventors:
Munson, Elroy S.
Patlak, Solomon L.
Riley, John P.
Publication Date:
02/14/1939
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Download PDF 2147348
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Assignee:
KARPEN & BROS S
Primary Class:
5/696
Other Classes:
5/716
International Classes:
A47C27/04