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Toothbrush
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Patent number 6,341,400
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Issue date Jan 29, 2002
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Hukuba Dental Corp.
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Kiyoshi Kobayashi
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Adhering cleaning tool
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Patent number 5,548,861
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Issue date Aug 27, 1996
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Hiroshi Hukuba
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Toothbrush
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Patent number 5,406,664
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Issue date Apr 18, 1995
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Hiroshi Hukuba
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Toothbrush
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Patent number D317831
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Issue date Jul 2, 1991
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Hiroshi Hukuba
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D04 - Brushware
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Electric tooth-brush
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Patent number 4,726,806
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Issue date Feb 23, 1988
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Hiroshi Hukuba
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Toothbrush
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Patent number D290552
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Issue date Jun 30, 1987
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Hiroshi Hukuba
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D04 - Brushware
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Illumination device
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Patent number 4,220,985
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Issue date Sep 2, 1980
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Hiroshi Hukuba
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F21 - LIGHTING
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