ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,303, issued on March 18, was assigned to LG Electronics Inc. (Seoul, South Korea).
"Refrigerator and control method thereof" was invented by Kwanghyun Choi (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 main door that opens and closes the storage space while defining an opening part that is in communication with the storage space, a sub-door mounted to the main door and configured to open and close the opening part, the sub-door including a panel assembly for allowing selective viewing of an inside of the opening part, the injection port is provided at a lower side of ...