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Adjustable valve linkage
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Patent number 4,836,497
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Issue date Jun 6, 1989
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Johnson Controls, Inc.
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Charles F. Beeson
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Controllable rotary actuator
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Patent number 4,584,511
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Issue date Apr 22, 1986
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Johnson Service Company
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George Rudich
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G05 - CONTROLLING REGULATING
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Controllable rotary actuator
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Patent number 4,554,496
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Issue date Nov 19, 1985
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Johnson Service Company
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George Rudich
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G05 - CONTROLLING REGULATING
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Motorized valve actuator
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Patent number 4,549,446
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Issue date Oct 29, 1985
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Johnson Service Company
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Charles F. Beeson
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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