ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,393,290, issued on Aug. 19, was assigned to SUNREX TECHOLOGY CORP. (Taichung, Taiwan).

"Full-area touch device" was invented by Chun-Chieh Chen (Taichung, Taiwan) and Yi-Wen Tsai (Taichung, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A full-area touch device includes a base plate and a trigger member mounted on the base plate. A touch unit is disposed over the base plate and includes a trigger switch aligned with the trigger member. An outer frame is connected to the touch unit. An inner frame is surrounded by the outer frame, and surrounds the base plate. A first linkage subunit is connected to a bottom surface of the outer frame and a top su...