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Tooth brush
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Patent number 5,799,356
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Issue date Sep 1, 1998
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Tochigi Seiko Co., Ltd.
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Yonesaburo Kawashima
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A46 - BRUSHWARE
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Foot massager
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Patent number D289684
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Issue date May 5, 1987
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Tochigi Seiko Kabushiki Kaisha
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Yonesaburo Kawashima
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D24 - Medical and laboratory equipment
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Toothbrush
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Patent number 4,571,768
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Issue date Feb 25, 1986
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Tochigi Seiko Co., Ltd.
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Yonesaburo Kawashima
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL