ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,722,724, issued on Sept. 1, was assigned to The United States of America as represented by the Secretary of the Navy.

"Articulating-link turnable track drive" was invented by Tye A Langston (Panama City, Fla.) and Dane P Maglich (Panama City, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A track drive for turning on a surface includes a drive wheel and a free wheel. An endless belt engages a portion of the drive wheel and a portion of the free wheel. The endless belt is placed in motion along a direction of travel dictated by the rotation of the drive wheel. The free wheel rotates in correspondence with the motion of the endless belt. The endless ...