ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,705, issued on Nov. 25, was assigned to LG Electronics Inc. (Seoul, South Korea).
"Refrigerator" was invented by Yongwon Dong (Seoul, South Korea), Younseok Lee (Seoul, South Korea) and Sanggyun Lee (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A refrigerator according to the present embodiment comprises: a cabinet having storage spaces; a main door, which can rotate with respect to the cabinet and opens/closes the storage spaces; a sub door rotating with respect to the main door; and a hinge device, which is fixed to the front surface of the cabinet, supports the lower sides of the main door and the sub door and provides the ce...