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Optical fluid analyzer
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Patent number 4,306,152
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Issue date Dec 15, 1981
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ANARAD, Inc.
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Thaddeus C. Ross
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G01 - MEASURING TESTING
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Optical gas analyzer
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Patent number 4,153,837
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Issue date May 8, 1979
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ANARAD, Inc.
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Thaddeus C. Ross
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G01 - MEASURING TESTING
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Optical gas analyzer
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Patent number 4,069,420
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Issue date Jan 17, 1978
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Cavitron Corporation
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Thaddeus C. Ross
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G01 - MEASURING TESTING
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Gas analyzer
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Patent number 3,932,754
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Issue date Jan 13, 1976
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Infrared Industries, Inc.
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Max J. Riedl
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G01 - MEASURING TESTING