Patents by Inventor Yan Kwong Leung

Yan Kwong Leung 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: D682196
    Type: Grant
    Filed: November 7, 2012
    Date of Patent: May 14, 2013
    Inventor: Yan Kwong Leung
  • Patent number: D682197
    Type: Grant
    Filed: November 7, 2012
    Date of Patent: May 14, 2013
    Inventor: Yan Kwong Leung
  • Patent number: D730823
    Type: Grant
    Filed: May 5, 2013
    Date of Patent: June 2, 2015
    Inventor: Yan Kwong Leung