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3138736
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Patent number 3,138,736
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Issue date Jun 23, 1964
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H01 - BASIC ELECTRIC ELEMENTS
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3017533
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Patent number 3,017,533
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H01 - BASIC ELECTRIC ELEMENTS
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2937300
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Patent number 2,937,300
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H01 - BASIC ELECTRIC ELEMENTS
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2917671
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Patent number 2,917,671
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H01 - BASIC ELECTRIC ELEMENTS
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2846605
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Patent number 2,846,605
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Issue date Aug 5, 1958
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H01 - BASIC ELECTRIC ELEMENTS
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2835836
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Patent number 2,835,836
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H01 - BASIC ELECTRIC ELEMENTS
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2811660
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Patent number 2,811,660
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Issue date Oct 29, 1957
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H01 - BASIC ELECTRIC ELEMENTS
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2805365
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Patent number 2,805,365
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H01 - BASIC ELECTRIC ELEMENTS
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2793313
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H03 - BASIC ELECTRONIC CIRCUITRY
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2792527
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Patent number 2,792,527
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H01 - BASIC ELECTRIC ELEMENTS
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2777966
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Patent number 2,777,966
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H01 - BASIC ELECTRIC ELEMENTS
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2747121
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Patent number 2,747,121
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H01 - BASIC ELECTRIC ELEMENTS
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2728006
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Patent number 2,728,006
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Issue date Dec 20, 1955
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H01 - BASIC ELECTRIC ELEMENTS
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2700122
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Patent number 2,700,122
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H01 - BASIC ELECTRIC ELEMENTS
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2688713
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H01 - BASIC ELECTRIC ELEMENTS
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2688710
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Patent number 2,688,710
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Issue date Sep 7, 1954
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H01 - BASIC ELECTRIC ELEMENTS
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2687485
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Patent number 2,687,485
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H01 - BASIC ELECTRIC ELEMENTS
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2687488
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Patent number 2,687,488
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Issue date Aug 24, 1954
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H01 - BASIC ELECTRIC ELEMENTS
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2671826
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H01 - BASIC ELECTRIC ELEMENTS
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2660685
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H01 - BASIC ELECTRIC ELEMENTS
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2611880
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H03 - BASIC ELECTRONIC CIRCUITRY
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2602862
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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2602906
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Issue date Jul 8, 1952
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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2578571
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H03 - BASIC ELECTRONIC CIRCUITRY
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2572320
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H01 - BASIC ELECTRIC ELEMENTS
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2544513
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H01 - BASIC ELECTRIC ELEMENTS
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2535886
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H01 - BASIC ELECTRIC ELEMENTS
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2468417
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H01 - BASIC ELECTRIC ELEMENTS
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2444072
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H01 - BASIC ELECTRIC ELEMENTS