Patents by Inventor Yulu Guo

Yulu 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).

  • Wireless speaker
    Patent number: D888013
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: June 23, 2020
    Assignee: Shenzhen Divoom Technology, Co. Ltd.
    Inventors: Chaoliang Yu, Yulu Guo
  • Wireless speaker
    Patent number: D889433
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: July 7, 2020
    Inventors: Chaoliang Yu, Yulu Guo
  • Children's drawing board
    Patent number: D930744
    Type: Grant
    Filed: July 12, 2019
    Date of Patent: September 14, 2021
    Inventors: Chaoliang Yu, Yulu Guo