ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,211,101, issued on Jan. 28, was assigned to Exegy Inc. (St. Louis).

"Method and apparatus for high-speed processing of financial market depth data" was invented by David E. Taylor (St. Louis), Scott Parsons (St. Charles, Mo.), Jeremy Walter Whatley (Ballwin, Mo.), Richard Bradley (St. Louis), Kwame Gyang (St. Louis) and Michael DeWulf (St. Louis).

According to the abstract* released by the U.S. Patent & Trademark Office: "A variety of embodiments for hardware-accelerating the processing of financial market depth data are disclosed. A coprocessor, which may be resident in a ticker plant, can be configured to update order books and price books based on financial market depth data at ex...