ALEXANDRIA, Va., March 5 -- United States Patent no. 12,245,115, issued on March 4, was assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC (Detroit).

"Method to extend operational domain using pre-downloads of tiles for non- or low cellular signal area" was invented by Gabriel Tayoung Choi (Novi, Mich.), Anthony W Cullen (Howell, Mich.), Morgan Douglas Dykshorn (Oak Park, Mich.), Nolan Foster (Berkley, Mich.) and Matthew Robert Wallace (Royal Oak, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In exemplary embodiments, methods and systems are provided for downloading of geographic information. In accordance with an exemplary embodiment, a method is provided that includes the following steps: identifying, ...