ALEXANDRIA, Va., June 25 -- United States Patent no. 12,337,230, issued on June 24, was assigned to SHENZHEN GULI TECHNOLOGY Co. LTD. (Shenzhen, China).

"Game controller and key thereof" was invented by Hongyong Yu (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A game controller key includes a base, a casing and a key switch. The casing is fastened to the base to form a cavity; the key switch is disposed in the cavity; the top of the key switch is exposed from a surface of the casing; conductive silica gel is installed at the bottom of the key switch; a through hole is provided at a position on the base that corresponds to the conductive silica gel; a spring is installed between the key swit...