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3896431
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Patent number 3,896,431
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Issue date Jul 22, 1975
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H03 - BASIC ELECTRONIC CIRCUITRY
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3895376
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Patent number 3,895,376
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Issue date Jul 15, 1975
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H03 - BASIC ELECTRONIC CIRCUITRY
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3889254
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Patent number 3,889,254
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Issue date Jun 10, 1975
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G01 - MEASURING TESTING
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3872726
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Patent number 3,872,726
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Issue date Mar 25, 1975
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G01 - MEASURING TESTING
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3843872
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Patent number 3,843,872
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Issue date Oct 22, 1974
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G06 - COMPUTING CALCULATING COUNTING
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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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3840807
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Patent number 3,840,807
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Issue date Oct 8, 1974
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H03 - BASIC ELECTRONIC CIRCUITRY
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3838413
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Patent number 3,838,413
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Issue date Sep 24, 1974
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G06 - COMPUTING CALCULATING COUNTING
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3829785
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Patent number 3,829,785
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Issue date Aug 13, 1974
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G01 - MEASURING TESTING
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3790886
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Patent number 3,790,886
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Issue date Feb 5, 1974
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G01 - MEASURING TESTING
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3787835
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Patent number 3,787,835
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Issue date Jan 22, 1974
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G06 - COMPUTING CALCULATING COUNTING
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3768022
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Patent number 3,768,022
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Issue date Oct 23, 1973
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H03 - BASIC ELECTRONIC CIRCUITRY
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3766543
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Patent number 3,766,543
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Issue date Oct 16, 1973
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G05 - CONTROLLING REGULATING
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3766544
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Patent number 3,766,544
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Issue date Oct 16, 1973
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G01 - MEASURING TESTING
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3750142
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Patent number 3,750,142
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Issue date Jul 31, 1973
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H03 - BASIC ELECTRONIC CIRCUITRY
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3743429
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Patent number 3,743,429
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Issue date Jul 3, 1973
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G01 - MEASURING TESTING
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3737897
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Patent number 3,737,897
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Issue date Jun 5, 1973
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H03 - BASIC ELECTRONIC CIRCUITRY
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3737893
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Patent number 3,737,893
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Issue date Jun 5, 1973
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H03 - BASIC ELECTRONIC CIRCUITRY
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3729733
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Patent number 3,729,733
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Issue date Apr 24, 1973
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G06 - COMPUTING CALCULATING COUNTING
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3725905
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Patent number 3,725,905
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Issue date Apr 3, 1973
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H03 - BASIC ELECTRONIC CIRCUITRY
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3725903
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Patent number 3,725,903
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Issue date Apr 3, 1973
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H03 - BASIC ELECTRONIC CIRCUITRY
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3719807
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Patent number 3,719,807
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Issue date Mar 6, 1973
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H03 - BASIC ELECTRONIC CIRCUITRY