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Digital frequency quadrupler
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Patent number 4,224,574
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Issue date Sep 23, 1980
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Motorola, Inc.
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Mark L. Shaw
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G06 - COMPUTING CALCULATING COUNTING
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Digital speed control system
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Patent number 4,066,876
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Issue date Jan 3, 1978
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Motorola, Inc.
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Mark Layne Shaw
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G06 - COMPUTING CALCULATING COUNTING
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Digital speed control system
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Patent number 4,066,874
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Issue date Jan 3, 1978
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Motorola, Inc.
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Mark Layne Shaw
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G06 - COMPUTING CALCULATING COUNTING
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