ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,549, issued on Sept. 9, was assigned to DUAL POWER ELECTRONICS Co. LTD (Jeongeup-si, South Korea).
"Door lock device" was invented by Jang-Joo Lim (Seoul, South Korea), Sang-Won Suh (Jeongeup-si, South Korea), Jung-Gil Lee (Jeongeup-si, South Korea) and Hee-Chang Kim (Jeongeup-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a door lock device including: a case; an opening/closing part to open/close a door according to the advancing and retreating of a hook connected to the door; a driving part for guiding the opening/closing operation of the opening/closing part through linear movement; and a connect...