Patents by Inventor Deborah L. Bush

Deborah L. Bush 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).

  • Number and math education system
    Patent number: 5707238
    Abstract: A child educational system comprises a support member having a generally flat rectangular support face having a top edge, a row of numbers disposed in a horizontal row along the top edge, a vertical column disposed below each of the numbers, each column having multiple pairs of position indicators therein, a permanent magnet disposed behind each of a plurality of the position indicators, and a plurality of magnetic responsive markers for positioning on the position indicators, whereby the markers are retained by the permanent magnets.
    Type: Grant
    Filed: October 26, 1995
    Date of Patent: January 13, 1998
    Inventor: Deborah L. Bush