Patents by Inventor Longhai Qiu

Longhai Qiu 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).

  • Patent number: D951713
    Type: Grant
    Filed: December 8, 2020
    Date of Patent: May 17, 2022
    Assignee: Shenzhen happy brother industrial Co., Ltd
    Inventor: Longhai Qiu
  • Patent number: D994487
    Type: Grant
    Filed: May 4, 2021
    Date of Patent: August 8, 2023
    Inventor: Longhai Qiu