Patents by Inventor Longhui Wan

Longhui Wan 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).

  • Phone ring slide holder
    Patent number: D918889
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: May 11, 2021
    Inventors: Bailin Huang, Longhui Wan
  • Backpack
    Patent number: D959133
    Type: Grant
    Filed: May 21, 2021
    Date of Patent: August 2, 2022
    Inventors: Bailin Huang, Longhui Wan
  • Grinding head for nails
    Patent number: D1013293
    Type: Grant
    Filed: February 23, 2023
    Date of Patent: January 30, 2024
    Inventors: Longhui Wan, Huang Lei