Huaqiu Zhang

Person

  • Zhe Jiang, CN

Patents Grantslast 30 patents

  • Information Patent Grant

    Ground fault circuit interrupter

    • Patent number D413862
    • Issue date Sep 14, 1999
    • Wenzhou Van-sheen Electric Appliance Co., Ltd.
    • Huadao Huang
    • D13 - Equipment for production, distribution, or transformation of energy