Patents by Inventor Peter S. Krchnak

Peter S. Krchnak 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: 5201130
    Abstract: A tile template comprises first and second opposed arms and third and fourth opposed arms disposed at right angles to the first and second opposed arms, the first and second arms having substantially equal lengths; and the third arm having a length of approximately 1/2 inch and being relatively short in comparison to the first, second, and fourth arms. The first and second arms define a straight edge having a middle, wherein the third and fourth arms are disposed opposite each other at the middle of the straight edge. Each of the arms has a top portion and a bottom portion, the top portions all having a first width, the bottom portions all having a second width, and the first width being greater than the second width. The arms are of uniform, equal height, without projections or indentations; and each of the arms has substantially planar top and bottom surfaces, the top surfaces being coplanar with each other and the bottom surfaces being coplanar with each other.
    Type: Grant
    Filed: January 24, 1992
    Date of Patent: April 13, 1993
    Inventor: Peter S. Krchnak