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
  • Cupcake container with lid
    Patent number: D748953
    Type: Grant
    Filed: June 20, 2014
    Date of Patent: February 9, 2016
    Assignee: LEADSKY INTERNATIONAL ENTERPRISE LIMITED
    Inventor: Chi Yan Yip
  • Packaging bag
    Patent number: D860804
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: September 24, 2019
    Assignee: Leadsky International Enterprise Ltd.
    Inventor: Chi Yan Yip
  • Cupcake container
    Patent number: D864732
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: October 29, 2019
    Assignee: Leadsky International Enterprise Ltd.
    Inventor: Chi Yan Yip
  • Cupcake container
    Patent number: D897855
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: October 6, 2020
    Assignee: Leadsky International Enterprise Ltd.
    Inventor: Chi Yan Yip
  • Cupcake container
    Patent number: D897856
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: October 6, 2020
    Assignee: Leadsky International Enterprise Ltd.
    Inventor: Chi Yan Yip