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3825925
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H03 - BASIC ELECTRONIC CIRCUITRY
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3579229
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Patent number 3,579,229
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H03 - BASIC ELECTRONIC CIRCUITRY
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3573796
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Patent number 3,573,796
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H03 - BASIC ELECTRONIC CIRCUITRY
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3564534
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Patent number 3,564,534
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G01 - MEASURING TESTING
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3553684
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Patent number 3,553,684
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G05 - CONTROLLING REGULATING
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3522598
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Patent number 3,522,598
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H03 - BASIC ELECTRONIC CIRCUITRY
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3480881
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Patent number 3,480,881
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H03 - BASIC ELECTRONIC CIRCUITRY
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3456253
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Patent number 3,456,253
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H03 - BASIC ELECTRONIC CIRCUITRY
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3426345
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Patent number 3,426,345
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H03 - BASIC ELECTRONIC CIRCUITRY
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3376480
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Patent number 3,376,480
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G06 - COMPUTING CALCULATING COUNTING
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3375513
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Patent number 3,375,513
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C01 - INORGANIC CHEMISTRY
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3361897
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Patent number 3,361,897
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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3343155
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Patent number 3,343,155
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3334343
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3264636
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H03 - BASIC ELECTRONIC CIRCUITRY
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3258604
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Patent number 3,258,604
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H03 - BASIC ELECTRONIC CIRCUITRY
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3234374
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3231886
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H03 - BASIC ELECTRONIC CIRCUITRY
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3221159
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G06 - COMPUTING CALCULATING COUNTING
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3165952
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Patent number 3,165,952
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3156883
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Patent number 3,156,883
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3133233
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G05 - CONTROLLING REGULATING
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3102258
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H03 - BASIC ELECTRONIC CIRCUITRY
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3094688
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H03 - BASIC ELECTRONIC CIRCUITRY
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2969534
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H03 - BASIC ELECTRONIC CIRCUITRY
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2949600
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2932449
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H03 - BASIC ELECTRONIC CIRCUITRY
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2916734
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G05 - CONTROLLING REGULATING
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2876950
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2803003
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H03 - BASIC ELECTRONIC CIRCUITRY