ALEXANDRIA, Va., June 2 -- United States Patent no. 12,646,959, issued on June 2, was assigned to Beijing BOE Display Technology Co. Ltd. (Beijing) and BOE Technology Group Co. Ltd. (Beijing).

"Mobile device, method and device for switching battery thereof, and computer-readable storage medium" was invented by Weihua Du (Beijing), Lili Chen (Beijing), Hao Zhang (Beijing), Peng Han (Beijing), Feng Gao (Beijing), Chao Zheng (Beijing), Xudong Quan (Beijing), Zheng Ge (Beijing), Chaoquan Yao (Beijing), Ruifeng Qin (Beijing), Juanjuan Shi (Beijing) and Qianwen Jiang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A mobile device includes a primary battery and a secondary battery, and the mobile device fur...