ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,831, issued on April 22, was assigned to LG Electronics Inc. (Seoul, South Korea).
"Ice maker and refrigerator" was invented by Yonghyun Kim (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A refrigerator includes a cabinet forming a storage space, a door configured to open or close the storage space, and an ice maker provided in the storage space or the door. The ice maker includes an upper tray including an upper chamber forming an upper portion of an ice chamber, a lower tray including a lower chamber forming a lower portion of the ice chamber, and an upper heater disposed along a circumference of the upper chamber so that at lea...