ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,916, issued on Dec. 30, was assigned to iLOQ Oy (Oulu, Finland).

"Electromechanical lock cylinder" was invented by Tommi Sintonen (Oulu, Finland), Matti Ylitalo (Oulu, Finland) and Juha Kyronlampi (Oulu, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electromechanical lock cylinder. The cylinder includes a core front end, a core back end coupled with a tailpiece, an actuator mechanism, switchable between a locked state and an unlocked state, to keep the core front end uncoupled with the core back end in the locked state, to couple the core front end with the core back end in the unlocked state to enable the core front end to rotate the co...