ALEXANDRIA, Va., July 14 -- United States Patent no. 12,681,168, issued on July 14, was assigned to Geophysical Survey Systems Inc. (Nashua, N.H.).

"Method of generating a map based on ground penetrating radar scans" was invented by Christopher Green (Hollis, N.H.), Rafiou Oketokoun (Melrose, Mass.) and David Cist (Winchester, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein is a method of generating a map based on ground penetrating radar (GPR) scans including receiving GPR data corresponding to multiple path of travel of one or a plurality of moving devices and/or surfaces. Some of these paths of travel overlap at least some others and some of these paths of travel are independent of o...