ALEXANDRIA, Va., July 9 -- United States Patent no. 12,351,994, issued on July 8, was assigned to Caterpillar Paving Products Inc. (Brooklyn Park, Minn.).

"Guidance system for road construction machines" was invented by Matthew-D. S. Frantz (Eden Prairie, Minn.) and Jared Todd Woodruff (Saint Francis, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A guidance system for a machine includes one or more guide assemblies. Each guide assembly includes a support member, a lever, an abutment device, a sensor, and a controller. The support member is fixedly coupled to a frame of the machine. The lever is angularly biased away with respect to the support member. The abutment device is coupled to the lever is con...