Patents by Inventor Sung T. Hwang

Sung T. Hwang 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).

  • Folding furniture piece
    Patent number: 4389946
    Abstract: A folding columnar support structure for use as a stool, snack table or other collapsible furniture device is made up of foldable articulated elements positioning a support surface or top relative to a flat base in a locked open position with the top spaced from the base or in a closed position with the support structure and base folded flatly against the top.
    Type: Grant
    Filed: April 2, 1980
    Date of Patent: June 28, 1983
    Inventor: Sung T. Hwang