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Wide-band Wilkinson divider
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Patent number 10,707,827
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Issue date Jul 7, 2020
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QUALCOMM Incorporated
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Wolfgang Frank
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H03 - BASIC ELECTRONIC CIRCUITRY
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High-frequency module
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Patent number 9,413,413
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Issue date Aug 9, 2016
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Murata Manufacturing Co., Ltd.
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Hisanori Murase
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Television receiver input circuit
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Patent number 4,567,523
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Issue date Jan 28, 1986
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North American Philips Consumer Electronics Corp.
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David R. Hiday
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H03 - BASIC ELECTRONIC CIRCUITRY
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Radio-frequency coupler
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Patent number 4,037,177
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Issue date Jul 19, 1977
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Elasco A. Tyrey
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H03 - BASIC ELECTRONIC CIRCUITRY
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3898665
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Patent number 3,898,665
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Issue date Aug 5, 1975
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3824599
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Patent number 3,824,599
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Issue date Jul 16, 1974
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H03 - BASIC ELECTRONIC CIRCUITRY
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3611198
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Patent number 3,611,198
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Issue date Oct 5, 1971
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H03 - BASIC ELECTRONIC CIRCUITRY
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3465344
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Patent number 3,465,344
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Issue date Sep 2, 1969
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H03 - BASIC ELECTRONIC CIRCUITRY
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2688119
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Patent number 2,688,119
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Issue date Aug 31, 1954
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H03 - BASIC ELECTRONIC CIRCUITRY
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2611895
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Patent number 2,611,895
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Issue date Sep 23, 1952
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H03 - BASIC ELECTRONIC CIRCUITRY
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2543973
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Patent number 2,543,973
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Issue date Mar 6, 1951
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H03 - BASIC ELECTRONIC CIRCUITRY
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2159546
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Patent number 2,159,546
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Issue date May 23, 1939
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H03 - BASIC ELECTRONIC CIRCUITRY