Patents by Inventor Yi Wei Liang

Yi Wei Liang 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).

  • Exercise mat
    Patent number: D658420
    Type: Grant
    Filed: January 17, 2011
    Date of Patent: May 1, 2012
    Assignee: Power Sky International Limited
    Inventor: Yi Wei Liang