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3716425
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Issue date Feb 13, 1973
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H01 - BASIC ELECTRIC ELEMENTS
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3649386
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Patent number 3,649,386
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H01 - BASIC ELECTRIC ELEMENTS
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3636420
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Patent number 3,636,420
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H01 - BASIC ELECTRIC ELEMENTS
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3602982
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Patent number 3,602,982
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H01 - BASIC ELECTRIC ELEMENTS
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3534234
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Patent number 3,534,234
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Issue date Oct 13, 1970
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H01 - BASIC ELECTRIC ELEMENTS
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3530343
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Patent number 3,530,343
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H01 - BASIC ELECTRIC ELEMENTS
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3524114
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Patent number 3,524,114
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Issue date Aug 11, 1970
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H01 - BASIC ELECTRIC ELEMENTS
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3507713
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Patent number 3,507,713
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H01 - BASIC ELECTRIC ELEMENTS
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3427479
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Issue date Feb 11, 1969
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H01 - BASIC ELECTRIC ELEMENTS
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H01 - BASIC ELECTRIC ELEMENTS
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3384791
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H01 - BASIC ELECTRIC ELEMENTS
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3333166
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H01 - BASIC ELECTRIC ELEMENTS
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H01 - BASIC ELECTRIC ELEMENTS
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H01 - BASIC ELECTRIC ELEMENTS
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H01 - BASIC ELECTRIC ELEMENTS
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H01 - BASIC ELECTRIC ELEMENTS