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Digital video disc player
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Patent number D438183
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Issue date Feb 27, 2001
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Hitachi, Ltd.
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Atsutoshi Sato
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D14 - Recording, communication, or information retrieval equipment
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Disk cartridge
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Patent number D412500
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Issue date Aug 3, 1999
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Hitachi, Ltd.
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Atsutoshi Sato
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D14 - Recording, communication, or information retrieval equipment
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Digital video disc player
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Patent number D410919
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Issue date Jun 15, 1999
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Hitachi, Ltd.
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Atsutoshi Sato
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D14 - Recording, communication, or information retrieval equipment
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