Patents by Inventor Yunyue Ma

Yunyue Ma 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).

  • Compost bin
    Patent number: D872407
    Type: Grant
    Filed: July 22, 2018
    Date of Patent: January 7, 2020
    Assignee: Yuyao Maidun Trade Co., Ltd.
    Inventor: Yunyue Ma