Patents by Inventor David P. Rubincam

David P. Rubincam 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).

  • Electronic book
    Patent number: 4159417
    Abstract: The contents of a book, magazine or the like are digitally encoded onto a memory, and the memory is removably insertable into a portable book-like apparatus whereby the encoded information can be displayed on a screen of the apparatus.
    Type: Grant
    Filed: October 28, 1977
    Date of Patent: June 26, 1979
    Inventor: David P. Rubincam