Patents by Inventor Rensong Zeng

Rensong 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).

  • Automatic food feeder for animals
    Patent number: D893109
    Type: Grant
    Filed: April 27, 2019
    Date of Patent: August 11, 2020
    Inventor: Rensong Zeng
  • LED makeup mirror
    Patent number: D955022
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: June 14, 2022
    Inventor: Rensong Zeng
  • Razor
    Patent number: D965889
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: October 4, 2022
    Inventor: Rensong Zeng
  • Nail drill machine
    Patent number: D979144
    Type: Grant
    Filed: July 16, 2021
    Date of Patent: February 21, 2023
    Inventor: Rensong Zeng
  • Wet wipe warmer
    Patent number: D981541
    Type: Grant
    Filed: February 5, 2021
    Date of Patent: March 21, 2023
    Inventor: Rensong Zeng