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Thermal mass flow meter
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Patent number 4,542,650
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Issue date Sep 24, 1985
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Innovus
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Wayne G. Renken
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G01 - MEASURING TESTING
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Vapor feed regulator
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Patent number 4,356,834
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Issue date Nov 2, 1982
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Dan B. LeMay
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G05 - CONTROLLING REGULATING
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Mass flow sensing system
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Patent number 4,100,801
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Issue date Jul 18, 1978
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Tylan Corporation
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Dan B. LeMay
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G01 - MEASURING TESTING
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Mass flow sensor system
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Patent number 4,056,975
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Issue date Nov 8, 1977
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Tylan Corporation
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Dan B. LeMay
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G01 - MEASURING TESTING
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