Patents by Inventor Chi-yan Yip

Chi-yan Yip 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).

  • Cup cake bottle
    Patent number: D691478
    Type: Grant
    Filed: July 18, 2011
    Date of Patent: October 15, 2013
    Assignee: Leadsky International Enterprise Limited
    Inventor: Chi-yan Yip
  • Cup cake bottle
    Patent number: D704061
    Type: Grant
    Filed: November 3, 2011
    Date of Patent: May 6, 2014
    Assignee: Leadsky International Enterprise Limited
    Inventor: Chi-yan Yip