Hon Wang Leung

Person

  • Tai Kok Tsui, Kowloon, HK

Patents Grantslast 30 patents

  • Information Patent Grant

    Inertia-driven changing display

    • Patent number 7,003,907
    • Issue date Feb 28, 2006
    • Hon Wang Leung
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS