ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,193, issued on Oct. 21, was assigned to LG Electronics Inc. (Seoul, South Korea).
"Refrigerator" was invented by Heungsik Choi (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A refrigerator includes a first storage compartment, a heat source, a cold source, a water molecule freezing preventing device, and a controller configured to perform a first operation based on a first notch temperature for a first cooling operation, a second operation based on a second notch temperature for a heating operation, and a third operation based on a third notch temperature for a second cooling operation. The second notch temperature is higher than...