Patents by Inventor Ralph Nagel

Ralph Nagel 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).

  • Methods and apparatus for chess instruction
    Patent number: 8109820
    Abstract: Methods and apparatus, including software, for creating a database of information based on one or more chess game scores, preferably by a chess engine analyzer, from which database instructive puzzles can be constructed for presentation and solution by a player.
    Type: Grant
    Filed: May 24, 2007
    Date of Patent: February 7, 2012
    Inventors: Ralph Nagel, Joseph Nagel
  • Methods & apparatus for chess instruction
    Publication number: 20070287518
    Abstract: Methods and apparatus, including software, for creating a database of information based on one or more chess game scores, preferably by a chess engine analyzer, from which database instructive puzzles can be constructed for presentation and solution by a player.
    Type: Application
    Filed: May 24, 2007
    Publication date: December 13, 2007
    Inventors: Ralph Nagel, Joseph Nagel
  • Computerized game teaching method
    Patent number: 5678001
    Abstract: A computer readable memory operable with a computer having a display screen to cause the computer to store problems and solutions and permit various different kinds of hints and suggestions to be accessed during the solution of the problems.
    Type: Grant
    Filed: April 5, 1996
    Date of Patent: October 14, 1997
    Inventors: Ralph Nagel, Roger Roberts