Koon For CHUNG

Person

  • Sai Kung, HK

Patents Grantslast 30 patents

  • Information Patent Grant

    Sand pad lock for sander

    • Patent number 7,510,465
    • Issue date Mar 31, 2009
    • Eastway Fair Company Limited
    • Koon For Chung
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Rotatable chuck

    • Patent number 7,481,608
    • Issue date Jan 27, 2009
    • Eastway Fair Company Limited
    • Jin Lin Zhou
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Rotatable chuck

    • Patent number 7,478,979
    • Issue date Jan 20, 2009
    • Eastway Fair Company Limited
    • Jin Lin Zhou
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Impact rotary tool with drill mode

    • Patent number 7,410,007
    • Issue date Aug 12, 2008
    • Eastway Fair Company Limited
    • Koon For Chung
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

  • Information Patent Application

    VEGETATION TRIMMER

    • Publication number 20140208597
    • Publication date Jul 31, 2014
    • Haijun ZHOU
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Application

    Router With Lighted Base

    • Publication number 20080295918
    • Publication date Dec 4, 2008
    • EASTWAY FAIR COMPANY LIMITED
    • Koon For Chung
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    SAND PAD LOCK FOR SANDER

    • Publication number 20070184763
    • Publication date Aug 9, 2007
    • Koon For Chung
    • B24 - GRINDING POLISHING
  • Information Patent Application

    Impact rotary tool with drill mode

    • Publication number 20070056756
    • Publication date Mar 15, 2007
    • Eastway Fair Company Limited
    • Koon For Chung
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Rotatable chuck

    • Publication number 20060244224
    • Publication date Nov 2, 2006
    • Eastway Fair Company Limited
    • Jin Lin Zhou
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Rotatable chuck

    • Publication number 20060244223
    • Publication date Nov 2, 2006
    • Jin Lin Zhou
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR