Patents by Inventor Zhongyin Yu

Zhongyin 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).

  • Footwear sole
    Patent number: D882228
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: April 28, 2020
    Inventor: Zhongyin Yu
  • Shoe sole
    Patent number: D885028
    Type: Grant
    Filed: July 11, 2018
    Date of Patent: May 26, 2020
    Assignee: Zhejiang Huanqiu Shoes Co., Ltd
    Inventor: Zhongyin Yu
  • Footwear sole
    Patent number: D889089
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: July 7, 2020
    Inventor: Zhongyin Yu
  • Footwear sole
    Patent number: D894558
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: September 1, 2020
    Inventor: Zhongyin Yu