Patents by Inventor Guangrui Liu

Guangrui Liu 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: D745873
    Type: Grant
    Filed: November 13, 2014
    Date of Patent: December 22, 2015
    Assignee: LOCTEK VISUAL TECHNOLOGY CORP.
    Inventors: Lehong Xiang, Qiang Chen, Guangrui Liu
  • Patent number: D1008652
    Type: Grant
    Filed: December 28, 2021
    Date of Patent: December 26, 2023
    Inventor: Guangrui Liu