ALEXANDRIA, Va., July 14 -- United States Patent no. 12,677,919, issued on July 14.

"Phone case with fingertip gyroscope function" was invented by Guangxiang Zhuang (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure discloses a phone case with fingertip gyroscope function, the phone case includes a fingertip gyroscope in a first area, the fingertip gyroscope includes a first marble, a turntable surface, a bearing, a pointer, and a rotating member, the bearing is disposed in the center of the turntable surface, the pointer is fixed on the rotating member, and the rotating member is movably connected to the bearing, and after rotating on the rotating member by force, release...