TREA

Tongzhou WAN

Follow

Person

  • Shanghai, CN
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Luggage zipper lock and luggage
    • Patent number 11,452,345
    • Issue date Sep 27, 2022
    • SHANGHAI GATHEY SCIENCE AND TECHNOLOGY DEVELOPMENT CO., LTD
    • Tongzhou Wan
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

  • Information Patent Application

    PIPING ZIPPER ASSEMBLY, BOX BODY AND BOX BODY PRODUCTION TECHNOLOGY
    • Publication number 20240251918
    • Publication date Aug 1, 2024
    • Shanghai Gathey Science and Technology Development Co., Ltd
    • Tongzhou WAN
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    LUGGAGE ZIPPER LOCK AND LUGGAGE
    • Publication number 20200323314
    • Publication date Oct 15, 2020
    • Shanghai Gathey Science and Technology Development Co., Ltd
    • Tongzhou WAN
    • A44 - HABERDASHERY JEWELLERY