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Extendable whip antenna
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Patent number 6,246,372
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Issue date Jun 12, 2001
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Matsushita Electric Industrial Co., Ltd.
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Kiyoshi Egawa
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H01 - BASIC ELECTRIC ELEMENTS
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Antenna system
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Patent number 6,147,651
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Issue date Nov 14, 2000
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Matsushita Electric Industrial Co., Ltd.
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Masazumi Yamazaki
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H01 - BASIC ELECTRIC ELEMENTS
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Antenna apparatus
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Patent number 5,982,330
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Issue date Nov 9, 1999
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Matsushita Electric Co., Ltd.
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Yoshio Koyanagi
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H01 - BASIC ELECTRIC ELEMENTS