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Mobile merchant
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Patent number 7,831,246
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Issue date Nov 9, 2010
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AT&T Mobility II, LLC
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Michael Alton Smith
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Particle sizing sampler
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Patent number 4,274,846
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Issue date Jun 23, 1981
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Andersen Samplers Inc.
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Michael L. Smith
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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Jet impaction preseparator
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Patent number 4,255,172
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Issue date Mar 10, 1981
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Andersen Samplers Inc.
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Michael L. Smith
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL