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Tool head with anti-slip structure
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Patent number 11,890,729
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Issue date Feb 6, 2024
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YUN CHAN INDUSTRY CO., LTD.
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Fu-Jui Hsiao
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Screwdriver bit
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Patent number D928580
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Issue date Aug 24, 2021
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YUN CHAN INDUSTRY CO., LTD.
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Fu-Jui Hsiao
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D08 - Tools and hardware
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Structure of tool head bearing-seat
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Patent number 10,800,026
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Issue date Oct 13, 2020
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YUN CHAN INDUSTRY CO., LTD.
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Fu-Jui Hsiao
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Tool box
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Patent number D857389
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Issue date Aug 27, 2019
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YUN CHAN INDUSTRY CO., LTD.
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Fu-Jui Hsiao
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D03 - Travel goods and personal belongings
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Screwdriver
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Patent number D700496
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Issue date Mar 4, 2014
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Yun Chan Industry Co., Ltd.
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Fu-Jui Hsiao
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D08 - Tools and hardware