ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,333, issued on July 21, was assigned to LG Electronics Inc. (Seoul, South Korea).

"Refrigerator" was invented by Seungseob Yeom (Seoul, South Korea), Donghoon Lee (Seoul, South Korea), Wookyong Lee (Seoul, South Korea), Yongjun Bae (Seoul, South Korea), Sunggyun Son (Seoul, South Korea), Chongyoung Park (Seoul, South Korea) and Donghoon Lee (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A refrigerator comprises: a storage chamber for storing food; a cold air supply means; a first tray forming one part of an ice making cell; a second tray forming the other part of the ice making cell and connected to a driving unit so as to come i...