Patents by Inventor Du Jianjun

Du Jianjun 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).

  • CPU cooler
    Patent number: D535737
    Type: Grant
    Filed: January 18, 2005
    Date of Patent: January 23, 2007
    Assignee: JDu Jianjun
    Inventors: Du Jianjun, Zhang Kui