ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,408,802, issued on Sept. 9, was assigned to LG Electronics Inc. (Seoul, South Korea).

"Robot cleaner" was invented by Seungjin Lee (Seoul, South Korea) and Sangik Lee (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a robot cleaner including a main body for forming an exterior of the robot cleaner, each wheel cover detachably disposed in the main body, each driving module movably coupled to each wheel cover, and each wheel coupled to each driving module and rotated by receiving a driving force from each driving module, wherein each wheel includes a wheel body coupled to each driving module and forming an appearance of eac...