Patents by Inventor Li Ying Simmons

Li Ying Simmons 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).

  • Microfiber mop pad
    Patent number: D670470
    Type: Grant
    Filed: January 11, 2011
    Date of Patent: November 6, 2012
    Inventor: Li Ying Simmons