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Tunable high-frequency antenna
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Patent number 5,187,488
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Issue date Feb 16, 1993
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Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek TNO
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Pieter A. Van Der Vis
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H03 - BASIC ELECTRONIC CIRCUITRY
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Mobile communications antenna
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Patent number 4,857,939
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Issue date Aug 15, 1989
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Alliance Research Corporation
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Tetsuo Shimazaki
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H01 - BASIC ELECTRIC ELEMENTS
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3805269
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Patent number 3,805,269
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Issue date Apr 16, 1974
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H01 - BASIC ELECTRIC ELEMENTS
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3071771
-
Patent number 3,071,771
-
Issue date Jan 1, 1963
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H01 - BASIC ELECTRIC ELEMENTS
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2630531
-
Patent number 2,630,531
-
Issue date Mar 3, 1953
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2566287
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Patent number 2,566,287
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Issue date Aug 28, 1951
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...