Patents by Inventor Xiao Feng Wen

Xiao Feng Wen 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).

  • Vacuum cleaner
    Patent number: D618869
    Type: Grant
    Filed: January 26, 2009
    Date of Patent: June 29, 2010
    Assignee: Hoover Limited
    Inventors: Xiao Feng Wen, Klaus Fiorino, Marco Nicora, Andrea Zardoni