Foam integrated innerspring mattress and method of manufacture
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United States of America Patent
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Jan 12, 2010
Grant Date -
Sep 6, 2007
app pub date -
Aug 14, 2006
filing date -
Aug 14, 2006
priority date (Note) -
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Abstract
This invention relates to a foam integrated innerspring mattress and method of manufacture wherein a flexible polyurethane foam is adhered onto the top and bottom of individually wrapped pocket innersprings, and additional polyurethane foam is molded onto the sides of the mattress.
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