TREA

Huizhen Du

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  • Beijing, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electrical tools
    • Patent number 10,967,439
    • Issue date Apr 6, 2021
    • FUZHOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    • Zisong Jiang
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    Electrical Tools
    • Publication number 20200156160
    • Publication date May 21, 2020
    • Fuzhou BOE Optoelectronics Technology Co., Ltd.
    • Zisong Jiang
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR