Patents by Inventor Hongsong Dai

Hongsong 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).

  • Foldable electric bicycle
    Patent number: D777606
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: January 31, 2017
    Assignee: Shenzhen Kaiweili Digital Technology Co., Ltd.
    Inventor: Hongsong Dai