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3757415
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G11 - INFORMATION STORAGE
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3683494
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Patent number 3,683,494
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G11 - INFORMATION STORAGE
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3643104
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Patent number 3,643,104
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H03 - BASIC ELECTRONIC CIRCUITRY
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3569947
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Patent number 3,569,947
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H03 - BASIC ELECTRONIC CIRCUITRY
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3564514
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Patent number 3,564,514
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H03 - BASIC ELECTRONIC CIRCUITRY
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3555257
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Patent number 3,555,257
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G06 - COMPUTING CALCULATING COUNTING
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3555524
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Patent number 3,555,524
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G11 - INFORMATION STORAGE
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3531784
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Patent number 3,531,784
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H03 - BASIC ELECTRONIC CIRCUITRY
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3508071
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Patent number 3,508,071
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H03 - BASIC ELECTRONIC CIRCUITRY
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3506973
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Patent number 3,506,973
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G11 - INFORMATION STORAGE
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3471710
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Patent number 3,471,710
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H03 - BASIC ELECTRONIC CIRCUITRY
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3443116
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Patent number 3,443,116
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H03 - BASIC ELECTRONIC CIRCUITRY
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3433973
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Patent number 3,433,973
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H03 - BASIC ELECTRONIC CIRCUITRY
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3424917
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H03 - BASIC ELECTRONIC CIRCUITRY
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3407307
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Patent number 3,407,307
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H03 - BASIC ELECTRONIC CIRCUITRY
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3366798
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H03 - BASIC ELECTRONIC CIRCUITRY
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3354444
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H03 - BASIC ELECTRONIC CIRCUITRY
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3322965
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H03 - BASIC ELECTRONIC CIRCUITRY
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3303480
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H03 - BASIC ELECTRONIC CIRCUITRY
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3300760
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G11 - INFORMATION STORAGE
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3271581
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H03 - BASIC ELECTRONIC CIRCUITRY
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3229267
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H03 - BASIC ELECTRONIC CIRCUITRY
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3163852
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G06 - COMPUTING CALCULATING COUNTING
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3085232
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H03 - BASIC ELECTRONIC CIRCUITRY
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3081453
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G11 - INFORMATION STORAGE
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2987625
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H03 - BASIC ELECTRONIC CIRCUITRY