Patents by Inventor Ruiding Dai

Ruiding Dai 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).

  • Work light
    Patent number: D927749
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: August 10, 2021
    Inventor: Ruiding Dai
  • Lamp
    Patent number: D935077
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: November 2, 2021
    Inventor: Ruiding Dai