Patents by Inventor Doretha E Maxwell

Doretha E Maxwell 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).

  • Draw and learn, an educational card game
    Patent number: 8342532
    Abstract: An educational game where cards with academic subjects written on them are drawn from a deck and where players try to guess the subject by viewing drawings made by the person who has drawn the card and where the academic subjects are discussed by the players during the process.
    Type: Grant
    Filed: July 6, 2011
    Date of Patent: January 1, 2013
    Inventor: Doretha E Maxwell