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Bolt
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Patent number 11,365,758
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Issue date Jun 21, 2022
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Meidoh Co., Ltd.
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Koji Makino
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Bolt
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Patent number 11,209,038
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Issue date Dec 28, 2021
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Meidoh Co., Ltd.
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Koji Makino
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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-
-
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Bolt
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Patent number 6,685,411
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Issue date Feb 3, 2004
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Meidoh Co., Ltd.
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Takashi Kato
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Bolt and a manufacturing method thereof
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Patent number 6,540,619
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Issue date Apr 1, 2003
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Meidoh Co., Ltd.
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Takashi Kato
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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75242627
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Serial number 75242627
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Filing date Feb 18, 1997
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Meidoh Co., Ltd.
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6 - Common metals and their alloys