ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,746,961, issued on Sept. 29, was assigned to CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) Ltd. (Hong Kong).

"Transfer device" was invented by Yijun Xia (Ningde, China), Yanlin Sun (Ningde, China), Chenqin Yu (Ningde, China) and Dawei Ni (Ningde, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A transfer device includes an automated guided vehicle, a positioning platform, and a positioning transmission mechanism. The automated guided vehicle is provided with a supporting frame; the positioning platform is arranged on the supporting frame. The positioning transmission mechanism includes a first locking assembly, a second locking assembly, and a first...