Patents by Inventor Danny Gryschuk

Danny Gryschuk 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).

  • Electrical targets irregularly illuminated
    Patent number: 3970310
    Abstract: Game apparatus which comprises a plurality of targets arrayed in a generally planar display. In an irregular manner the targets are illuminated for a predetermined time. The apparatus records impact on the illuminated targets.
    Type: Grant
    Filed: March 19, 1975
    Date of Patent: July 20, 1976
    Assignee: Lawrence Peska Associates, Inc.
    Inventor: Danny Gryschuk