Patents by Inventor Ida Pittnerova

Ida Pittnerova 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).

  • Tennis scoring system
    Patent number: 7975641
    Abstract: A tennis scoring system utilizing a display unit having a plurality of colored indicia areas disposed within at least a first and second scoring bar, each of such colored indicia areas of the first and second scoring bars representing, respectively, the games and sets to be won by the first and second players, each of such colored indicia areas in the first and second scoring bars to be changed in color in sequence whenever a player wins a game, such changed colored indicia representing the scores of games and sets won by the two players in a tennis match.
    Type: Grant
    Filed: March 17, 2009
    Date of Patent: July 12, 2011
    Inventors: Dusan Pittner, Ida Pittnerova