Patents by Inventor Zhengzhen Li

Zhengzhen Li 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: D776253
    Type: Grant
    Filed: May 18, 2016
    Date of Patent: January 10, 2017
    Assignee: MEDTRUM TECHNOLOGIES INC.
    Inventor: Zhengzhen Li