Patents Assigned to In-Dex
  • Patent number: 5517407
    Abstract: An enhanced book includes, in addition to printed material, enhancing material such as additional text, graphics and sounds, the nature of which is limited solely by the ability to store the additional information in digital format, stored in a memory device attached to the book, together with a connector for allowing the enhanced book to be connected to an external computing device for accessing and presenting the enhanced information to the reader.
    Type: Grant
    Filed: June 30, 1994
    Date of Patent: May 14, 1996
    Assignee: In-Dex
    Inventor: Michael L. Weiner