Patents by Inventor Hsing Tsung Liu

Hsing Tsung Liu 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).

  • Pump casing
    Patent number: D576641
    Type: Grant
    Filed: January 15, 2008
    Date of Patent: September 9, 2008
    Assignee: Yuan Chi Technology Corp.
    Inventor: Hsing Tsung Liu