ALEXANDRIA, Va., March 19 -- United States Patent no. 12,254,730, issued on March 18, was assigned to TEAM YOUNG TECHNOLOGY Co. LTD. (Taoyuan, Taiwan).

"System of electronic lock and electronic key" was invented by Chien-Chou Lai (Taoyuan, Taiwan) and Dy-Cheng Wang (Taoyuan, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system (1) of an electronic lock (3) and an electronic key (2). The system comprises an electronic key (2) and an electronic lock (3), wherein the electronic key (2) comprises a first processing module (22), a first storage module (23), a power source module (21) and a first terminal (24); the electronic lock (3) comprises a second processing module (32), a second storage module (33...