Patents Assigned to Keystone Bingo Products, Inc.
  • Patent number: 4395043
    Abstract: A chip for a game such as bingo includes a transparent or translucent circular disk surrounded by a ring. The ring has discrete flanges overlying and contacting the outer periphery of the opposite side faces of the disk. The ring is made from a smooth magnetizable sheet material.
    Type: Grant
    Filed: February 20, 1981
    Date of Patent: July 26, 1983
    Assignee: Keystone Bingo Products, Inc.
    Inventor: Frank Gargione