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Fuel saving valve assembly
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Patent number 7,581,572
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Issue date Sep 1, 2009
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Janet M. Sutera
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B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
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Fuel saving valve assembly
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Patent number 7,228,870
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Issue date Jun 12, 2007
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Janet M. Sutera
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B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...