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Frequency divider circuit
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Patent number 4,200,811
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Issue date Apr 29, 1980
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RCA Corporation
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Alvin R. Balaban
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H03 - BASIC ELECTRONIC CIRCUITRY
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Triple diffused logic elements
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Patent number 4,005,470
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Issue date Jan 25, 1977
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Signetics Corporation
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Patrick A. Tucci
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H03 - BASIC ELECTRONIC CIRCUITRY
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3643235
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Patent number 3,643,235
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Issue date Feb 15, 1972
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G11 - INFORMATION STORAGE
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3524113
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Patent number 3,524,113
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Issue date Aug 11, 1970
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H01 - BASIC ELECTRIC ELEMENTS