ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,467, issued on July 15, was assigned to META INTELLIGENCE LLC (Dover, Del.).

"Lockset for locking door leaf" was invented by Jun Li (Zhongshan, China), Jian Chen (Zhongshan, China), Junquan Lin (Zhongshan, China) and Xifeng Wang (Zhongshan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lockset for locking a door leaf includes a first lock bolt, a second lock bolt, a first electric driver, and a lever component. The lever component is configured to tilt around a fulcrum, and the lever component comprises an inner end and an outer handle. The inner end of the lever component is drivingly connected to the second lock bolt. The outer handle of ...