TREA

Guanhua Chai

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  • Shenzhen, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electronic cigarette
    • Patent number D1044119
    • Issue date Sep 24, 2024
    • Guanhua Chai
    • D27 - Tobacco and smokers' supplies
  • Information Patent Grant

    Electronic cigarette
    • Patent number D1035129
    • Issue date Jul 9, 2024
    • Guanhua Chai
    • D27 - Tobacco and smokers' supplies
  • Information Patent Grant

    Electronic cigarette
    • Patent number D1029362
    • Issue date May 28, 2024
    • Guanhua Chai
    • D27 - Tobacco and smokers' supplies
  • Information Patent Grant

    Electronic cigarette
    • Patent number D1013945
    • Issue date Feb 6, 2024
    • Guanhua Chai
    • D27 - Tobacco and smokers' supplies
  • Information Patent Grant

    Electronic cigarette
    • Patent number D1000697
    • Issue date Oct 3, 2023
    • Guanhua Chai
    • D27 - Tobacco and smokers' supplies