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Accuventure, Inc. Patents
Accuventure, Inc.
Portland, OR
No. of patents:

Patent Number Title Of Patent Date Issued
5045195 Personal drinking water purification tube September 3, 1991
A portable personal water filtration and purification device which includes an elongate tubular filter housing with layers of mechanical filtration and contains a layer of granular activated charcoal impregnated with silver located between the layers of mechanical filter medium. A mo

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