Patents by Inventor Tian-Song Guo

Tian-Song Guo 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).

  • Patent number: 5890230
    Abstract: Disclosed is a hat which can be made of multiple pieces or one integral piece of soft material sewed into a hat body having a crown portion and a brim portion. An elastic band is sewed onto and along a lower inner periphery of the crown portion of the hat body in specially patterned stitches to replace the lining band and decorative hat band usually used on a conventional hat. The hat can be folded without becoming deformed. The elastic band provides the hat with adjustable size and tightness to suit to different head shapes and sizes.
    Type: Grant
    Filed: October 10, 1997
    Date of Patent: April 6, 1999
    Inventor: Tian-Song Guo