ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,780,222, issued on Nov. 3, was assigned to Torc Robotics Inc. (Blacksburg, Va.).

"Flexible track for sensor calibration of an autonomous vehicle" was invented by Fridtjof Stein (Baden-Wurttemberg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sensor calibration area includes a calibration track extending over a longitudinal length and on which an autonomous vehicle can operate; a first side strip extending longitudinally on a first side of the calibration track; a second side strip extending longitudinally on a second side of the calibration track; a first set of calibration boards and a second set of calibration boards positioned on the first...