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Digital delay circuit
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Patent number 4,825,109
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Issue date Apr 25, 1989
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American Home Products Corporation
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Charles A. Reynolds
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H03 - BASIC ELECTRONIC CIRCUITRY
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Ultrasonic imaging apparatus
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Patent number 4,086,818
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Issue date May 2, 1978
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SmithKline Instruments, Incorporated
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Charles A. Reynolds
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Real-time ultrasonic imaging system
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Patent number 4,064,741
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Issue date Dec 27, 1977
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SmithKline Instruments, Inc.
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Charles A. Reynolds
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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