David Hung

Person

  • Hong Kong, CN

Patents Applicationslast 30 patents

  • Information Patent Application

    Tire-repair bottle

    • Publication number 20080202632
    • Publication date Aug 28, 2008
    • ACTIVE TOOLS INTERNATIONAL (HK) LTD.
    • David Hung
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL