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3727074
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Issue date Apr 10, 1973
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G06 - COMPUTING CALCULATING COUNTING
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3725903
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H03 - BASIC ELECTRONIC CIRCUITRY
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3655954
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Patent number 3,655,954
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G06 - COMPUTING CALCULATING COUNTING
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3648182
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Patent number 3,648,182
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G06 - COMPUTING CALCULATING COUNTING
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3614436
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Patent number 3,614,436
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H03 - BASIC ELECTRONIC CIRCUITRY
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3566396
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Patent number 3,566,396
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H03 - BASIC ELECTRONIC CIRCUITRY
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3539921
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G01 - MEASURING TESTING
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3519807
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G05 - CONTROLLING REGULATING
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3513302
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Patent number 3,513,302
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3506818
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Patent number 3,506,818
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G06 - COMPUTING CALCULATING COUNTING
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3496562
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Patent number 3,496,562
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H03 - BASIC ELECTRONIC CIRCUITRY
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3495074
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H03 - BASIC ELECTRONIC CIRCUITRY
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3489886
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G01 - MEASURING TESTING
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3484593
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3479496
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Patent number 3,479,496
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G06 - COMPUTING CALCULATING COUNTING
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3479493
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Patent number 3,479,493
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G05 - CONTROLLING REGULATING
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Patent number 3,465,134
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H03 - BASIC ELECTRONIC CIRCUITRY
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3462758
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3462759
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Patent number 3,462,759
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H03 - BASIC ELECTRONIC CIRCUITRY
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3461307
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G01 - MEASURING TESTING
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3449695
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3436756
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3436757
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3427609
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3412241
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3376431
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G06 - COMPUTING CALCULATING COUNTING
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3369155
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3368149
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H03 - BASIC ELECTRONIC CIRCUITRY
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3364341
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G06 - COMPUTING CALCULATING COUNTING