Patents by Inventor Ruyao Feng

Ruyao Feng 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).

  • Knife handle
    Patent number: D947604
    Type: Grant
    Filed: May 20, 2021
    Date of Patent: April 5, 2022
    Assignee: YANGJIANG HAONENG INDUSTRY AND TRADE CO., LTD.
    Inventor: Ruyao Feng