Patents by Inventor Wingkin Wong

Wingkin Wong has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Tube candle
    Patent number: D571255
    Type: Grant
    Filed: July 3, 2007
    Date of Patent: June 17, 2008
    Assignee: Zhongshan Zhongnam Candle Manufacurer Co., Ltd.
    Inventor: Wingkin Wong
  • Tube candle
    Patent number: D575674
    Type: Grant
    Filed: December 28, 2007
    Date of Patent: August 26, 2008
    Assignee: Zhongshan ZhongNam Candle Manufacturer Co. Ltd.
    Inventor: Wingkin Wong
  • Tube candle
    Patent number: D576079
    Type: Grant
    Filed: December 28, 2007
    Date of Patent: September 2, 2008
    Assignee: Zhongshan ZhongNam Candle Manufacturer Co., Ltd.
    Inventor: Wingkin Wong
  • Tube candle
    Patent number: D580564
    Type: Grant
    Filed: April 12, 2007
    Date of Patent: November 11, 2008
    Inventor: Wingkin Wong
  • Tube candle
    Patent number: D590966
    Type: Grant
    Filed: December 28, 2007
    Date of Patent: April 21, 2009
    Assignee: Zhongshan Zhongnam Candle Manufacturer Co., Ltd.
    Inventor: Wingkin Wong