Patents by Inventor Wang Wen-Tsan

Wang Wen-Tsan 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: 5868306
    Abstract: A detachable storage box including a box body formed by folding up a sheet element and securing it into shape by hook and loop materials and having male fastening elements, and a collapsible lattice type partition device mounted inside the box body and defining a plurality of separated open spaces for keeping small items and having female fastening elements respectively fastened to the male fastening elements of the box body.
    Type: Grant
    Filed: December 12, 1996
    Date of Patent: February 9, 1999
    Inventor: Wang Wen-Tsan
  • Patent number: D838928
    Type: Grant
    Filed: January 25, 2017
    Date of Patent: January 22, 2019
    Inventor: Wang Wen-Tsan