John Ka Ki Chan

Person

  • Kowloon, HK

Patents Grantslast 30 patents

  • Information Patent Grant

    Light beam alignment system

    • Patent number 7,159,497
    • Issue date Jan 9, 2007
    • Eastway Fair Company Ltd.
    • Gerhard Josef Karl Weusthof
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR