ALEXANDRIA, Va., June 16 -- United States Patent no. 12,657,378, issued on June 16, was assigned to MICROSOFT TECHNOLOGY LICENSING LLC (Redmond, Wash.).

"Techniques for formula debugging" was invented by Advait Sarkar (Cambridge, Great Britain), Sruti Srinivasa Ragavan (Cambridge, Great Britain), John Herbert Martin Williams (Cambridge, Great Britain), Ian Zachariah Drosos (Cambridge, Great Britain), Nicholas Charles Wilson (Cambridge, Great Britain), Irena Berezovsky (Herzliya, Israel), Lev Solodkin (Herzliya, Israel) and Andrew Donald Gordon (Cambridge, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are novel approaches to debugging a formula in a spreadsheet environment. An executi...