ALEXANDRIA, Va., March 31 -- United States Patent no. 12,591,498, issued on March 31, was assigned to GOOGLE LLC (Mountain View, Calif.).

"Systems and methods of debugging delivery of content items" was invented by Ozgur Ozel (Sunnyvale, Calif.), Siddhi Ram Tadpatrikar (Los Altos, Calif.), Cleophus Anderson Davis IV (Mountain View, Calif.), Jonah Benjamin Wasserman (Mountain View, Calif.), Terrine Balayut Forman (San Francisco), Azmat Ali Pasha (Saint Paul, Minn.), Samuel James Stow (Buderim, Australia), David Andrew Brown (Huntington Beach, Calif.), Eric Alan Burns (Sunnyvale, Calif.), Eric Daniel Leichtenschlag (Burlingame, Calif.), William Aaron Simmons (Mill Valley, Calif.), Catherine Goings Lin (Irvine, Calif.), Mengke Wang (Sunnyvale...