Patents by Inventor Tsung-Hsien Wang

Tsung-Hsien Wang 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).

  • Block unit for making three-dimensional blocks composed of geometric points, lines and planes
    Patent number: 4758196
    Abstract: Construction units for forming multiple-faced polyhedrons and a wide variety of structural forms. The units are in the form of a circular disk and a link. The disk having concentric rings formed thereon, and further having a threaded female connector on one side and a male connector on the other side. The link is in the form of a ladder-shape having two end clamps for engagement with disk units and other link units.
    Type: Grant
    Filed: March 27, 1987
    Date of Patent: July 19, 1988
    Inventor: Tsung-Hsien Wang