Patents by Inventor Lefeng Qu

Lefeng Qu 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).

  • Publication number: 20170367728
    Abstract: Described herein are membrane puncturing devices used for endovascular surgery.
    Type: Application
    Filed: October 27, 2016
    Publication date: December 28, 2017
    Inventors: Lefeng Qu, Jun Bai, Ming He, Xiaoyan Gong, Jichang Wei