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Up/down counter apparatus
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Patent number 5,428,654
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Issue date Jun 27, 1995
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Advanced Micro Devices, Inc.
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Imran Baqai
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H03 - BASIC ELECTRONIC CIRCUITRY
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CMOS binary up/down counter
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Patent number 4,856,035
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Issue date Aug 8, 1989
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Raytheon Company
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Edward T. Lewis
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H03 - BASIC ELECTRONIC CIRCUITRY
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High speed counter
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Patent number 4,637,038
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Issue date Jan 13, 1987
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International Business Machines Corporation
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David H. Boyle
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H03 - BASIC ELECTRONIC CIRCUITRY
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High speed counter circuit
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Patent number 4,464,774
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Issue date Aug 7, 1984
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Sperry Corporation
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James Jennings
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H03 - BASIC ELECTRONIC CIRCUITRY
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3860914
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Patent number 3,860,914
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Issue date Jan 14, 1975
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H03 - BASIC ELECTRONIC CIRCUITRY
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3691353
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Patent number 3,691,353
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Issue date Sep 12, 1972
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H03 - BASIC ELECTRONIC CIRCUITRY
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3651415
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Patent number 3,651,415
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Issue date Mar 21, 1972
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H03 - BASIC ELECTRONIC CIRCUITRY