Patents by Inventor Judy Bracconier

Judy Bracconier 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).

  • Patent number: 4973254
    Abstract: Educational apparatus for use with an overhead projector has a transparent grid with horizontal and vertical indices for projecting a grid onto a wall screen. A plurality of removable cover pieces, keyed to the grid, cover up grid segments whereby when the transparent grid has pictorial material a student, or player, may project a particular grid segment by picking up the cover piece on that segment.
    Type: Grant
    Filed: August 21, 1989
    Date of Patent: November 27, 1990
    Inventor: Judy Bracconier