Patent 7835972 was granted and assigned to TD Ameritrade on November, 2010 by the United States Patent and Trademark Office.
A graphical user interface centralizes Level I quote information in the center of a circular display while Level II (or regional) data appears in peripheral bands layered on the outside of the Level I information. The interface is also split into two main sections, a “bid” quote information section and an “ask” quote information section. The bid quote information appears on the left of the interface while the ask quote information appears on the right side of the interface. Through clicking in any one of the peripheral bands, an order can be placed at that price point.