Patents by Inventor Xiaojian Qi

Xiaojian Qi 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: D544977
    Type: Grant
    Filed: December 26, 2006
    Date of Patent: June 19, 2007
    Assignee: Hangzhou Guangong Machinery & Electric Co., Ltd.
    Inventor: Xiaojian Qi