TREA

Jack CHANG

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  • Fengxian, Shanghai, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tamper-evident pouch closure
    • Patent number 12,195,258
    • Issue date Jan 14, 2025
    • Obrist Closures Switzerland GmbH
    • Fabrice Guerin
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

  • Information Patent Application

    CLOSURE
    • Publication number 20220332488
    • Publication date Oct 20, 2022
    • Fabrice GUERIN
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL