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Patents Grantslast 30 patents

  • Information Patent Grant

    Digging apparatus
    • Patent number 11,047,174
    • Issue date Jun 29, 2021
    • TECHTRONIC CORDLESS GP
    • Wai For Wong
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    DIGGING APPARATUS
    • Publication number 20200095830
    • Publication date Mar 26, 2020
    • TTI (MACO COMMERCIAL OFFSHORE) LIMITED
    • Wai For Wong
    • E21 - EARTH DRILLING MINING