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3717869
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H03 - BASIC ELECTRONIC CIRCUITRY
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3671961
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Patent number 3,671,961
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G06 - COMPUTING CALCULATING COUNTING
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3603978
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Patent number 3,603,978
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H03 - BASIC ELECTRONIC CIRCUITRY
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3594783
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Patent number 3,594,783
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3593164
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Patent number 3,593,164
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G06 - COMPUTING CALCULATING COUNTING
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3588887
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Patent number 3,588,887
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H03 - BASIC ELECTRONIC CIRCUITRY
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3579230
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Patent number 3,579,230
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G06 - COMPUTING CALCULATING COUNTING
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3569959
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Patent number 3,569,959
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3567949
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Patent number 3,567,949
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3560961
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Patent number 3,560,961
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H03 - BASIC ELECTRONIC CIRCUITRY
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3553647
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Patent number 3,553,647
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H03 - BASIC ELECTRONIC CIRCUITRY
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3549827
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Patent number 3,549,827
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3543375
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Patent number 3,543,375
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3534361
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Patent number 3,534,361
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H03 - BASIC ELECTRONIC CIRCUITRY
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3524184
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Patent number 3,524,184
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H03 - BASIC ELECTRONIC CIRCUITRY
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3510869
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Patent number 3,510,869
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H03 - BASIC ELECTRONIC CIRCUITRY
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3505670
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Patent number 3,505,670
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3498308
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Patent number 3,498,308
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3486388
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Patent number 3,486,388
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Patent number 3,478,346
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H03 - BASIC ELECTRONIC CIRCUITRY
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3465655
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Patent number 3,465,655
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Patent number 3,465,329
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3426347
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H03 - BASIC ELECTRONIC CIRCUITRY
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3423750
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3416151
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3396383
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3387267
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3383698
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3349388
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3347457
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