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3918035
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Patent number 3,918,035
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Issue date Nov 4, 1975
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G01 - MEASURING TESTING
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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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3890602
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Patent number 3,890,602
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Issue date Jun 17, 1975
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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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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3848195
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Patent number 3,848,195
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Issue date Nov 12, 1974
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H03 - BASIC ELECTRONIC CIRCUITRY
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3836906
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Patent number 3,836,906
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Issue date Sep 17, 1974
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G11 - INFORMATION STORAGE
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3829853
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Patent number 3,829,853
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Issue date Aug 13, 1974
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H03 - BASIC ELECTRONIC CIRCUITRY
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3825925
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Patent number 3,825,925
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Issue date Jul 23, 1974
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H03 - BASIC ELECTRONIC CIRCUITRY
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3816825
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Patent number 3,816,825
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Issue date Jun 11, 1974
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H03 - BASIC ELECTRONIC CIRCUITRY
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3815126
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Patent number 3,815,126
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Issue date Jun 4, 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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Issue date Mar 19, 1974
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H03 - BASIC ELECTRONIC CIRCUITRY
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3792352
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Patent number 3,792,352
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Issue date Feb 12, 1974
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H03 - BASIC ELECTRONIC CIRCUITRY
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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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3789389
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Patent number 3,789,389
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Issue date Jan 29, 1974
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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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3754233
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Patent number 3,754,233
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H03 - BASIC ELECTRONIC CIRCUITRY
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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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3750141
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Patent number 3,750,141
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Issue date Jul 31, 1973
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H03 - BASIC ELECTRONIC CIRCUITRY
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3750156
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Patent number 3,750,156
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Issue date Jul 31, 1973
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H03 - BASIC ELECTRONIC CIRCUITRY
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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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3737891
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Patent number 3,737,891
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Issue date Jun 5, 1973
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H03 - BASIC ELECTRONIC CIRCUITRY
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3735390
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Patent number 3,735,390
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H03 - BASIC ELECTRONIC CIRCUITRY
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3732406
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Patent number 3,732,406
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G06 - COMPUTING CALCULATING COUNTING
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3729732
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Patent number 3,729,732
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H03 - BASIC ELECTRONIC CIRCUITRY
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3725905
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Patent number 3,725,905
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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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3719808
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Patent number 3,719,808
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G05 - CONTROLLING REGULATING
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3717869
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Patent number 3,717,869
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Issue date Feb 20, 1973
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H03 - BASIC ELECTRONIC CIRCUITRY