Patents by Inventor Kuei-Sen Liao Chang

Kuei-Sen Liao Chang 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).

  • Sun-visors
    Patent number: 5799326
    Abstract: A sun-visor includes a first plate having a curved inner side from which a second plate extends. A curved slit is defined along an outer side of the first plate so as to form a curved fastening member foldably connected to two ends of the first plate. A belt is connected to two sides of the second plate.
    Type: Grant
    Filed: November 12, 1997
    Date of Patent: September 1, 1998
    Inventor: Kuei-Sen Liao Chang