ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,468, issued on July 15, was assigned to Shenzhen SeamoonCloud Technology Co. Ltd. (Shenzhen, China).

"Lock facilitating double-locking from outside" was invented by Chunlan Li (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention belongs to the technical field of locks, and particularly relates to a lock facilitating double-locking from the outside. The lock comprises a cylinder, a cylinder follower, and a bolt component. The lock further comprises a rotating handle, a fixing part fixedly connected with an external supporting surface, a rotating part fixedly connected with the rotating handle and movably connected with the fi...