Patents Represented by Attorney, Agent or Law Firm John Lezdey & Asso
  • Patent number: 6279904
    Abstract: The present invention provides a pinball machine having downward and side sloping playing field and a plurality of slots at the bottom of the playing field. The slots have sensor which can be selectively activated to detect the presence of a ball so as to register a score. Bumpers are also provided to translate a ball throughout a plurality of locations on the playing field.
    Type: Grant
    Filed: June 1, 2000
    Date of Patent: August 28, 2001
    Assignee: American Alpha Inc.
    Inventor: Sming Huang