Patents by Inventor John Tadej

John Tadej 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: 5188372
    Abstract: An improved dart board wire is provided for a dart board which consists of an elongated slender rod attached to the front surface of the dart board in various positions to indicate point scoring areas on the dart board. A structure is on the elongated slender rod, for deflecting a point of a needle on a dart onto the dart board to stick thereto, when the point of the needle on the dart strikes the elongated slender rod after being thrown thereto.
    Type: Grant
    Filed: January 21, 1992
    Date of Patent: February 23, 1993
    Inventor: John Tadej