Patents by Inventor Chin-Tien Tsai

Chin-Tien Tsai 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).

  • Wire brush
    Patent number: 5530985
    Abstract: A wire brush having a cylindrical body made from a nylon wire and an elastic plastic strip, which are put together and then woven on loop-like pull ropes, which are arranged in the cylindrical body in a parallel relation, the cylindrical body being turned inside out into an annular configuration, and then fixed in shape by tying up the loop-like pull ropes pair by pair.
    Type: Grant
    Filed: November 13, 1995
    Date of Patent: July 2, 1996
    Inventors: Chin-Tien Tsai, Shu-yen Tsai