TREA

Hao Qing

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  • JiangSu, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Toothbrush
    • Patent number D706035
    • Issue date Jun 3, 2014
    • Colgate Palmolive Company
    • Wen Jin Xi
    • D04 - Brushware
  • Information Patent Grant

    Toothbrush
    • Patent number D664359
    • Issue date Jul 31, 2012
    • Colgate Palmolive Company
    • Wen Jin Xi
    • D04 - Brushware