Patents by Inventor Kui-Chuan Sung

Kui-Chuan Sung 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: 5678909
    Abstract: A drawer including four connecting angle plates to connect an upright front board, and upright back board, two upright side boards, and a horizontal bottom board together, wherein each of the connecting angle plates has a first longitudinal mounting groove longitudinally disposed at an inner side along the bottom adapted for mounting the horizontal bottom board, a second longitudinal mounting groove longitudinally disposed at an outer side in the middle adapted for coupling to a sliding track in the table, desk, etc.
    Type: Grant
    Filed: April 22, 1996
    Date of Patent: October 21, 1997
    Inventors: Yung Sheng Cheng, Kui-Chuan Sung