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3842413
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Patent number 3,842,413
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Issue date Oct 15, 1974
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H03 - BASIC ELECTRONIC CIRCUITRY
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3798637
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Patent number 3,798,637
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H03 - BASIC ELECTRONIC CIRCUITRY
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3745559
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Patent number 3,745,559
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H03 - BASIC ELECTRONIC CIRCUITRY
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3742489
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Patent number 3,742,489
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H03 - BASIC ELECTRONIC CIRCUITRY
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3676600
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Patent number 3,676,600
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3653029
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Patent number 3,653,029
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Issue date Mar 28, 1972
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H03 - BASIC ELECTRONIC CIRCUITRY
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3644924
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Patent number 3,644,924
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H03 - BASIC ELECTRONIC CIRCUITRY
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3641562
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Patent number 3,641,562
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Issue date Feb 8, 1972
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H03 - BASIC ELECTRONIC CIRCUITRY
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3631469
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Patent number 3,631,469
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Issue date Dec 28, 1971
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G01 - MEASURING TESTING
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3581304
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Patent number 3,581,304
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Issue date May 25, 1971
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H03 - BASIC ELECTRONIC CIRCUITRY
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3577138
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Patent number 3,577,138
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H03 - BASIC ELECTRONIC CIRCUITRY
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3573806
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Patent number 3,573,806
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H03 - BASIC ELECTRONIC CIRCUITRY
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3571757
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Patent number 3,571,757
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H03 - BASIC ELECTRONIC CIRCUITRY
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3550116
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Patent number 3,550,116
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H03 - BASIC ELECTRONIC CIRCUITRY
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3541315
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Patent number 3,541,315
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H03 - BASIC ELECTRONIC CIRCUITRY
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3522599
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Patent number 3,522,599
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Issue date Aug 4, 1970
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3501625
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Patent number 3,501,625
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G06 - COMPUTING CALCULATING COUNTING
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3493958
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Patent number 3,493,958
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G06 - COMPUTING CALCULATING COUNTING
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3488762
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Patent number 3,488,762
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H03 - BASIC ELECTRONIC CIRCUITRY
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3483550
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Patent number 3,483,550
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H03 - BASIC ELECTRONIC CIRCUITRY
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3467958
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Patent number 3,467,958
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H03 - BASIC ELECTRONIC CIRCUITRY
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3460131
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G06 - COMPUTING CALCULATING COUNTING
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3447146
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H03 - BASIC ELECTRONIC CIRCUITRY
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3351930
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H03 - BASIC ELECTRONIC CIRCUITRY
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3284794
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H03 - BASIC ELECTRONIC CIRCUITRY
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3283319
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H03 - BASIC ELECTRONIC CIRCUITRY
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3264636
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H03 - BASIC ELECTRONIC CIRCUITRY
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3197622
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H03 - BASIC ELECTRONIC CIRCUITRY
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3193668
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H03 - BASIC ELECTRONIC CIRCUITRY