FILTER PAPER INSERT
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United States of America Patent
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N/A
Issued Date -
May 28, 2009
app pub date -
Nov 12, 2008
filing date -
Nov 12, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A filter paper insert includes a filter paper shaped to define at least one side wall surrounding an inside space and an aromatic substance printed on an area of the filter paper.
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