Patents by Inventor Shuangwu Hu

Shuangwu Hu 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: D812591
    Type: Grant
    Filed: January 2, 2017
    Date of Patent: March 13, 2018
    Inventor: Shuangwu Hu
  • Wireless speaker
    Patent number: D813199
    Type: Grant
    Filed: January 2, 2017
    Date of Patent: March 20, 2018
    Inventor: Shuangwu Hu
  • Wireless speaker
    Patent number: D819597
    Type: Grant
    Filed: January 2, 2017
    Date of Patent: June 5, 2018
    Inventor: Shuangwu Hu