ALEXANDRIA, Va., May 26 -- United States Patent no. 12,636,979, issued on May 26, was assigned to HYUNDAI TRANSYS INC. (Seosan-si, South Korea).

"Seatback locking device" was invented by Seok In Kang (Hwaseong-si, South Korea), Hyeon Woo Jung (Hwaseong-si, South Korea), Su Bin Kim (Hwaseong-si, South Korea), Ryang Oh Park (Hwaseong-si, South Korea), Sung Lak Seo (Hwaseong-si, South Korea) and Ji Ho Yang (Hwaseong-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A seatback locking device may include a locking housing coupled to a seatback, the locking housing having one open side defined as a housing internal space, a rotation cap inserted into the housing internal space and rotatably coupled to...