ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,708,689, issued on Aug. 18, was assigned to Honeywell International Inc. (Charlotte, N.C.).

"System and method for determining sanitization status" was invented by Adam Kuenzi (Palm Beach Gardens, Fla.), Subhash Reddy Gopavaram (Hyderabad, India) and Mohan Reddy Dumbala (Hyderabad, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "Configuring a sanitization mode for a predetermined time interval for sanitizing a premises. A first predefined pattern is received on a lock associated with the premises from a user within the predetermined time interval to indicate starting of the sanitization process. Subsequently, a second predefined pattern is received...