Patents by Inventor Liang-Hung Sun

Liang-Hung Sun 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).

  • Attache case having drawer apparatus
    Patent number: 4283098
    Abstract: An improved attache case comprises a base, a cover hinged to said base, a drawer apparatus provided in a chamber of the cover for containing the small articles and a driving means also provided in the chamber of the cover to engage with the drawer apparatus for controlling the moving of the drawer apparatus. The driving means may have a plurality of embodiments if they may achieve the function to move the drawer apparatus.
    Type: Grant
    Filed: September 19, 1979
    Date of Patent: August 11, 1981
    Inventor: Liang-Hung Sun