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DONELL OPTRONICS CO., LTD.

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  • Taichung City, TW
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Protector for camera lens
    • Patent number 8,721,200
    • Issue date May 13, 2014
    • Donell Optronics Co., Ltd.
    • Ming-Chung Cheng
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Lens hood for a camera lens
    • Patent number 8,054,545
    • Issue date Nov 8, 2011
    • Donell Optronics Co., Ltd.
    • Ming-Chung Cheng
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Pipework with a fastening device
    • Patent number 7,516,991
    • Issue date Apr 14, 2009
    • Donell Optronics Co., Ltd.
    • Ming-Chung Cheng
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    PROTECTOR FOR CAMERA LENS
    • Publication number 20140112653
    • Publication date Apr 24, 2014
    • DONELL OPTRONICS CO., LTD.
    • Ming-Chung CHENG
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Trademarklast 30 trademarks