ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,478,232, issued on Nov. 25, was assigned to LG Electronics Inc. (Seoul, South Korea).
"Robot cleaner" was invented by Hyunsup Song (Seoul, South Korea), Sangik Lee (Seoul, South Korea) and Seungjin Lee (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a robot cleaner and, more particularly, to a robot cleaner comprising: a main body forming the outer appearance; a suction unit provided in the main body; a dust collecting unit which is provided in the main body and collects dust introduced through the suction unit; a driving motor which provides rotating power to move the main body, and includes a driving...