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Panel transfer switch
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Patent number 7,402,766
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Issue date Jul 22, 2008
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Jeffrey J. Jonas
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H01 - BASIC ELECTRIC ELEMENTS
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Permanent magnet alternator
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Patent number 5,831,366
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Issue date Nov 3, 1998
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Generac Corporation
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Robert Kern
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Engine-driven generator
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Patent number 5,504,417
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Issue date Apr 2, 1996
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Generac Corporation
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Robert Kern
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Permanent magnet alternator
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Patent number 5,489,811
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Issue date Feb 6, 1996
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Generac Corporation
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Robert Kern
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Engine-driven generator
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Patent number 5,376,877
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Issue date Dec 27, 1994
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Generac Corporation
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Robert Kern
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS