TREA

Guangsheng Guo

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  • Yangzhou, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Toothbrush
    • Patent number D886460
    • Issue date Jun 9, 2020
    • Colgate Palmolive Company
    • Wenjin Xi
    • D04 - Brushware
  • Information Patent Grant

    Toothbrush
    • Patent number D860653
    • Issue date Sep 24, 2019
    • Colgate Palmolive Company
    • Wenjin Xi
    • D04 - Brushware
  • Information Patent Grant

    Oral care implement
    • Patent number D814796
    • Issue date Apr 10, 2018
    • Colgate Palmolive Company
    • Wenjin Xi
    • D04 - Brushware
  • Information Patent Grant

    Oral care implement
    • Patent number D813550
    • Issue date Mar 27, 2018
    • Colgate Palmolive Company
    • Wenjin Xi
    • D04 - Brushware
  • Information Patent Grant

    Oral care implement
    • Patent number D764177
    • Issue date Aug 23, 2016
    • Colgate Palmolive Company
    • Wenjin Xi
    • D04 - Brushware
  • Information Patent Grant

    Oral care implement
    • Patent number D764176
    • Issue date Aug 23, 2016
    • Colgate Palmolive Company
    • Wenjin Xi
    • D04 - Brushware