ALEXANDRIA, Va., April 7 -- United States Patent no. 12,593,947, issued on April 7, was assigned to LG Electronics Inc. (Seoul, South Korea).
"Robot cleaner" was invented by Seungjin Lee (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A robot cleaner is disclosed. The robot cleaner according to an embodiment of the present disclosure comprises: a body; a wheel cover; a drive module; and a wheel, wherein the wheel comprises: a wheel body coupled to the drive module and forming the appearance of the wheel; a plurality of tread portions arranged along the circumferential surface of the wheel body and spaced apart from each other; cutout portions formed between the tread portions at the circum...