Patents by Inventor Haiqing Ll

Haiqing Ll 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).

  • Thermostat
    Patent number: D584645
    Type: Grant
    Filed: April 17, 2008
    Date of Patent: January 13, 2009
    Assignee: Beijing Hailin Auto Control Equipment Co., Ltd.
    Inventor: Haiqing Ll