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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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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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G01 - MEASURING TESTING
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3851976
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Patent number 3,851,976
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Issue date Dec 3, 1974
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G06 - COMPUTING CALCULATING COUNTING
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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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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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3812481
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Patent number 3,812,481
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G01 - MEASURING TESTING
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3810151
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Patent number 3,810,151
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H03 - BASIC ELECTRONIC CIRCUITRY
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3805149
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Patent number 3,805,149
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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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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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3766545
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Patent number 3,766,545
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Issue date Oct 16, 1973
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G01 - MEASURING TESTING
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3763485
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Patent number 3,763,485
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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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3745560
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Patent number 3,745,560
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Issue date Jul 10, 1973
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G01 - MEASURING TESTING
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3743429
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Patent number 3,743,429
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G01 - MEASURING TESTING
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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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3729733
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Patent number 3,729,733
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G06 - COMPUTING CALCULATING COUNTING
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3719807
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Patent number 3,719,807
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H03 - BASIC ELECTRONIC CIRCUITRY
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3709309
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Patent number 3,709,309
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G01 - MEASURING TESTING
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3686487
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Patent number 3,686,487
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G01 - MEASURING TESTING
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3683367
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Patent number 3,683,367
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H03 - BASIC ELECTRONIC CIRCUITRY
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3668693
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Patent number 3,668,693
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H03 - BASIC ELECTRONIC CIRCUITRY
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3662377
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Patent number 3,662,377
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Issue date May 9, 1972
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G06 - COMPUTING CALCULATING COUNTING
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3646545
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Patent number 3,646,545
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H03 - BASIC ELECTRONIC CIRCUITRY