ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,717,430, issued on Aug. 25, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).

"Controller" was invented by Jangwon Han (Suwon-si, South Korea), Euishik Yoon (Suwon-si, South Korea), Jungwon Kang (Suwon-si, South Korea) and Hyoungmoon Kim (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A controller includes: a main body including at least one rib; a rotating wheel including: a fixed body supported by the main body, and a rotating body facing the at least one rib, coupled to the fixed body and rotatable with respect to the fixed body; and a clicker protruding toward the main body from the rotating body to allow an...