Patents by Inventor Joseph Nnamdi Ichongiri

Joseph Nnamdi Ichongiri 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).

  • Apparatus for playing a game
    Publication number: 20040026862
    Abstract: Apparatus for playing a game including a pack of cards in which: each card has a numerical face value which is a whole number; the cards are divided into a plurality of groups that each card in any group has the same digit root as the other cards in the same group; and the cards in each group carry common identifying means signifying that the cards belong to that group.
    Type: Application
    Filed: June 5, 2003
    Publication date: February 12, 2004
    Inventor: Joseph Nnamdi Ichongiri