Patents by Inventor Rujia Mao

Rujia Mao 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).

  • Chair
    Patent number: D677917
    Type: Grant
    Filed: August 11, 2011
    Date of Patent: March 19, 2013
    Assignee: Dakang Holding Group Co., Ltd.
    Inventor: Rujia Mao
  • Chair
    Patent number: D799234
    Type: Grant
    Filed: October 20, 2016
    Date of Patent: October 10, 2017
    Assignee: DAKANG HOLDING GROUP CO., LTD.
    Inventors: Rujia Mao, Xiaoyu He
  • Rocking chair
    Patent number: D801711
    Type: Grant
    Filed: August 24, 2016
    Date of Patent: November 7, 2017
    Assignee: DAKANG HOLDING GROUP CO., LTD.
    Inventors: Rujia Mao, Xiaoyu He