Patents by Inventor Raymond Kwok Kei Yu

Raymond Kwok Kei Yu 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).

  • Patent number: D529627
    Type: Grant
    Filed: June 14, 2004
    Date of Patent: October 3, 2006
    Inventor: Raymond Kwok Kei Yu
  • Patent number: D530026
    Type: Grant
    Filed: June 14, 2004
    Date of Patent: October 10, 2006
    Inventor: Raymond Kwok Kei Yu
  • Patent number: D530027
    Type: Grant
    Filed: December 13, 2004
    Date of Patent: October 10, 2006
    Inventor: Raymond Kwok Kei Yu