Patents by Inventor Chunrong Ren

Chunrong Ren 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: D690800
    Type: Grant
    Filed: March 19, 2012
    Date of Patent: October 1, 2013
    Assignee: Zhejiang Sanhua Co., Ltd.
    Inventor: Chunrong Ren