Patents by Inventor John Exton

John Exton 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).

  • Learning aid
    Patent number: 9852654
    Abstract: A learning aid including a series of symbols and movable portions. Each of the movable portions is associated with at least one of the symbols and is movable by hand from a first position to a second position to select the at least one of the symbols.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: December 26, 2017
    Inventor: John Exton
  • Learning Aid
    Publication number: 20150262508
    Abstract: A learning aid including a series of symbols and movable portions. Each of the movable portions is associated with at least one of the symbols and is movable by hand from a first position to a second position to select the at least one of the symbols.
    Type: Application
    Filed: September 30, 2013
    Publication date: September 17, 2015
    Inventor: John Exton