Wai Sing Man

Person

  • Kowloon, HK

Patents Grantslast 30 patents

  • Information Patent Grant

    Fibre gratings

    • Patent number 6,396,855
    • Issue date May 28, 2002
    • The Hong Kong Polytechnic University
    • Hwa Yaw Tam
    • H01 - BASIC ELECTRIC ELEMENTS