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Tool holder
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Patent number 9,333,561
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Issue date May 10, 2016
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Nikken Kosakusho Works, Ltd.
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Eisaku Nakai
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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End mill
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Patent number D742946
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Issue date Nov 10, 2015
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Nikken Kosakusho Works, Ltd.
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Susumu Mikado
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D15 - Machines not elsewhere specified
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End mill
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Patent number D742947
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Issue date Nov 10, 2015
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Nikken Kosakusho Works, Ltd.
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Susumu Mikado
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D15 - Machines not elsewhere specified
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End mill
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Patent number D717847
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Issue date Nov 18, 2014
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Nikken Kosakusho Works, Ltd.
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Susumu Mikado
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D15 - Machines not elsewhere specified
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End mill
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Patent number D686646
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Issue date Jul 23, 2013
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Nikken Kosakusho Works, Ltd.
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Susumu Mikado
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D15 - Machines not elsewhere specified
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Wrench
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Patent number 7,181,998
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Issue date Feb 27, 2007
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Nikken Kosakusho Works Ltd.
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Masakazu Matsumoto
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Wrench
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Patent number 7,036,400
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Issue date May 2, 2006
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Nikken Kosakusho Works Ltd.
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Masakazu Matsumoto
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS