ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,433,377, issued on Oct. 7, was assigned to GOERTEK INC. (Weifang, China).

"Wristband wrist-worn device" was invented by Cheng Zhao (Weifang, China), Jianning Zhang (Weifang, China), Qingru Shao (Weifang, China) and Huaying Feng (Weifang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a wristband a wrist-worn device. The wristband includes a band body part and a memory metal part provided to the band body part. The band body part has two end portions separable from each other. The memory metal part has a memory state of being ring-shaped in a natural state, so that the band body part naturally maintains a ring shape, and the wristband ...