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Issue date Aug 31, 1993
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ASARCO Incorporated
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Airflow switch checking circuit
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Patent number 4,992,040
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Issue date Feb 12, 1991
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Honeywell Inc.
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Combustion control system
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Issue date Jun 7, 1988
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The Foxboro Company
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James E. Shriver
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Patent number 4,408,569
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Issue date Oct 11, 1983
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Phillips Petroleum Company
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Fuel supply systems
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Patent number 4,033,712
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Issue date Jul 5, 1977
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Hollon; Edmund D.
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Condition detector circuit
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Patent number 3,987,358
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Issue date Oct 19, 1976
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Issue date Aug 19, 1969
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES