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Airborne particulate
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Patent number 5,553,507
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Issue date Sep 10, 1996
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Rupprecht & Patashnick Company, Inc.
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Lauren R. Basch
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G01 - MEASURING TESTING
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Dual flow path carbon particulate monitor
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Patent number 5,401,468
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Issue date Mar 28, 1995
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Rupprecht & Patashnick Company
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Harvey Patashnick
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Carbon particulate monitor
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Patent number 5,196,170
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Issue date Mar 23, 1993
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Rupprecht & Patashnick Company, Inc.
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Harvey Patashnick
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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