ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,363, issued on April 21, was assigned to DUAL POWER ELECTRONICS Co. LTD (Jeongeup-si, South Korea).
"Auto-open door-lock equipment" 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: "Provided is an auto-open door-lock device including a locking set and a control set. The control set includes a first motor that operates a locking lever and is connected with the locking set, a first micro switch that determines a rotation status of the first motor, a second motor that operates a la...