Method and apparatus for multistage liquid filtration
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United States of America Patent
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Nov 16, 2004
Grant Date -
N/A
app pub date -
Sep 28, 2000
filing date -
Sep 30, 1999
priority date (Note) -
Expired
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Abstract
The present invention provides a multistage liquid filtering apparatus and a multistage process for filtering microorganisms and other unwanted impurities from the liquid. The invention employs a microorganism-removing filter stage prior to an activated carbon filter stage and especially adaptable for use with home water supplies.
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