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3846653
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Patent number 3,846,653
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Issue date Nov 5, 1974
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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3831049
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Patent number 3,831,049
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Issue date Aug 20, 1974
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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3383532
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Patent number 3,383,532
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Issue date May 14, 1968
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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3084269
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Patent number 3,084,269
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Issue date Apr 2, 1963
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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2490554
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Patent number 2,490,554
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Issue date Dec 6, 1949
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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2223866
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Patent number 2,223,866
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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1504109
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Patent number 1,504,109
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Issue date Aug 5, 1924
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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1298375
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Patent number 1,298,375
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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758293
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Patent number 758,293
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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741471
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Patent number 741,471
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Issue date Oct 13, 1903
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER