Patents by Inventor Haofa Ling

Haofa Ling 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).

  • Wrist ankle weight
    Patent number: D1018732
    Type: Grant
    Filed: May 30, 2023
    Date of Patent: March 19, 2024
    Assignee: Shenzhen Yima Technology Co., Ltd.
    Inventor: Haofa Ling