Patents by Inventor Liwei Zeng

Liwei Zeng 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).

  • Handheld optical reader
    Patent number: D1036446
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: July 23, 2024
    Inventor: Liwei Zeng
  • Handheld scanner
    Patent number: D1037253
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: July 30, 2024
    Inventor: Liwei Zeng