Patents by Inventor Minting Guo

Minting Guo 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 and scissor sharpener
    Patent number: D924652
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: July 13, 2021
    Assignee: Zhongshan Ruishang Technology Co., Ltd.
    Inventor: Minting Guo