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Attenuator
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Patent number 4,149,123
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Issue date Apr 10, 1979
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Sanders Associates, Inc.
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Martin R. Richmond
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H03 - BASIC ELECTRONIC CIRCUITRY
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Modified A. M. detector
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Patent number 4,104,594
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Issue date Aug 1, 1978
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Sanders Associates, Inc.
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Alfred J. Cann
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Coherent frequency memory
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Patent number 3,971,021
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Issue date Jul 20, 1976
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Sanders Associates, Inc.
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Alfred J. Cann
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G01 - MEASURING TESTING