Patents by Inventor Feng-Hsing Chang

Feng-Hsing 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).

  • Patent number: 5522498
    Abstract: A stationery organizer including a base, a plurality of seat plates, a plurality of first bolts, a plurality of second bolts, a plurality of third bolts, a plurality of nuts, characterized in that the base is generally triangular in shape and provided with a threaded hole at its center and three holes 11 each at one of its angular portion, the seat plate has the same shape and size as the base and is provided with three holes each at one of its triangular portion and provided at the central portion with an opening, the first bolt is formed with a threaded hole at its lower end and a threaded portion at its upper end, the second bolt is shorter than the first bolt and formed with a threaded portion at both ends which is adapted to engage with the threaded hole of the first bolt, the third bolt is shorter than the second bolt and formed with a threaded hole at its lower end and a threaded portion at the upper end, whereby the stationery organizer can be easily changed in shape as desired.
    Type: Grant
    Filed: May 9, 1995
    Date of Patent: June 4, 1996
    Inventor: Feng-Hsing Chang
  • Patent number: D404624
    Type: Grant
    Filed: May 4, 1998
    Date of Patent: January 26, 1999
    Assignee: Market USA Promotional Marketing, Inc.
    Inventor: Feng-Hsing Chang