Patents by Inventor Thaddeus A. Pietraszek

Thaddeus A. Pietraszek 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: 4090716
    Abstract: A golf ball having improved flight characteristics having a spherical surface with 252 depressions therein. 240 of the depressions are in the shape of inverted pyramids with hexagonal bases and 12 of the depressions are in the shape of inverted pyramids with pentagonal bases. The ball has two poles and an equator, and the pentgonal bases serve as the two poles and as the vertices of similar equilateral spherical triangles into which the surface of the ball may be divided.
    Type: Grant
    Filed: March 30, 1976
    Date of Patent: May 23, 1978
    Assignee: Uniroyal, Inc.
    Inventors: Frank S. Martin, Thaddeus A. Pietraszek
  • Patent number: D243483
    Type: Grant
    Filed: October 1, 1975
    Date of Patent: March 1, 1977
    Assignee: Uniroyal, Inc.
    Inventors: Thaddeus A. Pietraszek, Richard J. Van Twisk, Algis B. Brazdzionis