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Electrical appliance control
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Patent number 4,638,299
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Issue date Jan 20, 1987
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Pico Electronics Limited
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David C. Campbell
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G05 - CONTROLLING REGULATING
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Industrial control system
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Patent number 4,352,103
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Issue date Sep 28, 1982
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Forney Engineering Company
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Billy R. Slater
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G06 - COMPUTING CALCULATING COUNTING
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Industrial control system
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Patent number 4,347,563
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Issue date Aug 31, 1982
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Forney Engineering Company
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Candelario Paredes
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G06 - COMPUTING CALCULATING COUNTING
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Distribution control system
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Patent number 4,185,272
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Issue date Jan 22, 1980
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General Electric Company
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George E. Feiker
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G05 - CONTROLLING REGULATING
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Distributed control system
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Patent number 4,173,754
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Issue date Nov 6, 1979
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General Electric Company
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George E. Feiker
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G05 - CONTROLLING REGULATING