Patents by Inventor Zi Yi Ker

Zi Yi Ker 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).

  • Massage chair
    Patent number: D933386
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: October 19, 2021
    Inventor: Zi Yi Ker
  • Massage apparatus
    Patent number: D966537
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: October 11, 2022
    Assignee: OSIM INTERNATIONAL PTE LTD
    Inventor: Zi Yi Ker