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Contrawound helical antenna
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Patent number 6,320,550
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Issue date Nov 20, 2001
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VorteKx, Inc.
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Kurt L. Van Voorhies
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H01 - BASIC ELECTRIC ELEMENTS
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Toroidal helical antenna
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Patent number 6,218,998
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Issue date Apr 17, 2001
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VorteKx, Inc.
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Kurt Louis Van Voorhies
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H01 - BASIC ELECTRIC ELEMENTS
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Contrawound toroidal antenna
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Patent number 5,952,978
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Issue date Sep 14, 1999
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VorteKx, Inc.
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Kurt Louis VanVoorhies
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H01 - BASIC ELECTRIC ELEMENTS
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