Patents Assigned to George H. Gerstman
  • Amusement device using perforated board
    Patent number: 4173341
    Abstract: Air cushion game utilizing a perforated inclined playing board through which air is passed for supporting a disc game piece on a cushion of air. The air is confined in a closed recirculation system which requires minimum power and prevents the importation of impurities. Photosensitive sensors are provided in the board for sensing the passage of the disc to register a player's score.
    Type: Grant
    Filed: May 18, 1978
    Date of Patent: November 6, 1979
    Assignee: George H. Gerstman
    Inventor: William E. Olliges