ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,471,686, issued on Nov. 18, was assigned to HONOR DEVICE Co. LTD. (Shenzhen, China).
"Hinge mechanism, protective case for electronic device, and electronic device assembly" was invented by Yongfeng Peng (Shenzhen, China) and Guoliang Huo (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hinge mechanism is applied to-a protective case. A first rotating shaft assembly in the hinge mechanism is fixedly connected to a first portion of the protective case, and is further rotatably connected to a second portion of the protective case. A second rotating shaft assembly in the hinge mechanism is fixedly connected to the second portion of the pro...