Kwok-Wah Pun

Person

  • Kowloon, HK

Patents Grantslast 30 patents

  • Information Patent Grant

    Stepping device

    • Patent number 4,302,903
    • Issue date Dec 1, 1981
    • Kusan, Inc.
    • Kwok-Wah Pun
    • A63 - SPORTS GAMES AMUSEMENTS