John Ka Ki Chan

Person

  • Kowloon, HK

Patents Applicationslast 30 patents

  • Information Patent Application

    Light beam alignment system

    • Publication number 20070107573
    • Publication date May 17, 2007
    • Eastway Fair Company Limited of Trident Chambers
    • Gerhard Josef Karl Weusthof
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Light beam alignment system

    • Publication number 20030140758
    • Publication date Jul 31, 2003
    • One World Technologies Limited
    • Gerhard Josef Karl Weusthof
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR