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Energy management circuit breaker
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Patent number D317906
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Issue date Jul 2, 1991
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Square D Company
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John M. Winter
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D13 - Equipment for production, distribution, or transformation of energy
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Circuit breaker
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Patent number 4,616,200
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Issue date Oct 7, 1986
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Square D Company
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James V. Fixemer
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H01 - BASIC ELECTRIC ELEMENTS
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Main circuit breaker
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Patent number 4,399,420
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Issue date Aug 16, 1983
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Square D Company
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Neil R. Palmer
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H01 - BASIC ELECTRIC ELEMENTS
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Coil and trip mechanism
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Patent number 3,949,330
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Issue date Apr 6, 1976
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Square D Company
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John M. Winter
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H01 - BASIC ELECTRIC ELEMENTS