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3673446
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Patent number 3,673,446
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Issue date Jun 27, 1972
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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3361935
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Patent number 3,361,935
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Issue date Jan 2, 1968
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H01 - BASIC ELECTRIC ELEMENTS
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3343039
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Patent number 3,343,039
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Issue date Sep 19, 1967
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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3321670
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Patent number 3,321,670
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Issue date May 23, 1967
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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3287554
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Patent number 3,287,554
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Issue date Nov 22, 1966
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H01 - BASIC ELECTRIC ELEMENTS
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3252053
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Patent number 3,252,053
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Issue date May 17, 1966
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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3172012
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Patent number 3,172,012
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Issue date Mar 2, 1965
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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3109962
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Patent number 3,109,962
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Issue date Nov 5, 1963
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H01 - BASIC ELECTRIC ELEMENTS
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3105921
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Patent number 3,105,921
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Issue date Oct 1, 1963
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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3092758
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Patent number 3,092,758
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Issue date Jun 4, 1963
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H01 - BASIC ELECTRIC ELEMENTS
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3047779
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Patent number 3,047,779
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Issue date Jul 31, 1962
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H01 - BASIC ELECTRIC ELEMENTS
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3036248
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Patent number 3,036,248
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Issue date May 22, 1962
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3036243
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Patent number 3,036,243
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Issue date May 22, 1962
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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2985801
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Patent number 2,985,801
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Issue date May 23, 1961
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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2949515
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Patent number 2,949,515
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Issue date Aug 16, 1960
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H01 - BASIC ELECTRIC ELEMENTS
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2929003
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Patent number 2,929,003
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Issue date Mar 15, 1960
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H01 - BASIC ELECTRIC ELEMENTS
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2866926
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Patent number 2,866,926
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Issue date Dec 30, 1958
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H01 - BASIC ELECTRIC ELEMENTS
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2858484
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Patent number 2,858,484
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Issue date Oct 28, 1958
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H01 - BASIC ELECTRIC ELEMENTS
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2849680
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Patent number 2,849,680
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Issue date Aug 26, 1958
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G01 - MEASURING TESTING
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2849564
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Patent number 2,849,564
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Issue date Aug 26, 1958
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H01 - BASIC ELECTRIC ELEMENTS
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2846620
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Patent number 2,846,620
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Issue date Aug 5, 1958
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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2831165
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Patent number 2,831,165
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Issue date Apr 15, 1958
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G01 - MEASURING TESTING
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2827530
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Patent number 2,827,530
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Issue date Mar 18, 1958
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H01 - BASIC ELECTRIC ELEMENTS
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2819430
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Patent number 2,819,430
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Issue date Jan 7, 1958
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H01 - BASIC ELECTRIC ELEMENTS
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2793266
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Patent number 2,793,266
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Issue date May 21, 1957
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H01 - BASIC ELECTRIC ELEMENTS
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2792531
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Patent number 2,792,531
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Issue date May 14, 1957
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H01 - BASIC ELECTRIC ELEMENTS
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2761999
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Patent number 2,761,999
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Issue date Sep 4, 1956
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H01 - BASIC ELECTRIC ELEMENTS
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2752539
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Patent number 2,752,539
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Issue date Jun 26, 1956
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H01 - BASIC ELECTRIC ELEMENTS
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2697187
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Patent number 2,697,187
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Issue date Dec 14, 1954
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H01 - BASIC ELECTRIC ELEMENTS