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Solid state ignition control
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Patent number 4,269,589
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Issue date May 26, 1981
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Johnson Controls, Inc.
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Russell B. Matthews
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Fuel ignition control system
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Patent number 4,242,079
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Issue date Dec 30, 1980
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Johnson Controls, Inc.
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Russell B. Matthews
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Fuel ignition control system
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Patent number 4,178,149
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Issue date Dec 11, 1979
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Johnson Controls, Inc.
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Russell B. Matthews
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Slow-opening gas valve
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Patent number 4,087,231
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Issue date May 2, 1978
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Johnson Controls, Inc.
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Russell Byron Matthews
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G05 - CONTROLLING REGULATING
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Slow-opening gas valve
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Patent number 4,044,794
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Issue date Aug 30, 1977
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Johnson Controls, Inc.
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Russell Byron Matthews
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G05 - CONTROLLING REGULATING
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Electronic valve seat leak detector
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Patent number 4,035,134
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Issue date Jul 12, 1977
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Johnson Controls, Inc.
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Russell Byron Matthews
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Fuel ignition control arrangement
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Patent number 3,938,937
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Issue date Feb 17, 1976
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Johnson Service Company
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Russell B. Matthews
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES