Patents by Inventor Thomas J. Pirosko

Thomas J. Pirosko 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: 4651486
    Abstract: A translucent block includes a pair of parallel upper and lower faces each having a generally irregular hexagonal shape. There are a pair of generally rectangular, opposing sides which are parallel with each other, have a first preselected height and a first preselected width, and are perpendicular and joined to the upper and lower faces. A first pair of generally rectangular, opposing ends are parallel with each other, have the first preselected height and a second preselected width, and are perpendicular and joined to the upper and lower faces. A second pair of generally rectangular, opposing ends are parallel with each other, have the first preselected height and the second preselected width, and are perpendicular and joined to the upper and the lower faces. One of the first pair of ends is joined to one of the second pair of ends with a predetermined angle of ninety degrees therebetween. Each of the first pair of ends and each of the second pair of ends are respectively joined to one of the pair of sides.
    Type: Grant
    Filed: May 31, 1985
    Date of Patent: March 24, 1987
    Assignee: Pittsburgh Corning Corporation
    Inventors: Kenneth J. Erickson, Thomas J. Pirosko, Francis J. Zavada
  • Patent number: D293477
    Type: Grant
    Filed: February 24, 1984
    Date of Patent: December 29, 1987
    Assignee: Pittsburgh Corning Corporation
    Inventors: Thomas J. Pirosko, Francis J. Zavada