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Pressure proving gas valve
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Patent number 6,571,817
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Issue date Jun 3, 2003
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Honeywell International Inc.
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John E. Bohan
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Sensor fault detector
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Patent number 4,845,435
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Issue date Jul 4, 1989
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Honeywell Inc.
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John E. Bohan
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G01 - MEASURING TESTING
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Timer and control circuit
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Patent number 4,373,898
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Issue date Feb 15, 1983
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Honeywell Inc.
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John E. Bohan
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Fail safe digital timer
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Patent number 4,373,201
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Issue date Feb 8, 1983
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Honeywell Inc.
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John E. Bohan
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G06 - COMPUTING CALCULATING COUNTING
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