ALEXANDRIA, Va., June 2 -- United States Patent no. 12,642,413, issued on June 2, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).

"Robot cleaner and control method thereof" was invented by Sunghyun Kim (Suwon-si, South Korea), Elijah Kim (Suwon-si, South Korea), Juyeong Kim (Suwon-si, South Korea), Junwon Seo (Suwon-si, South Korea) and Hongseok Choi (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A robot cleaner includes a motor, a rotating-shaft member, and a rotation member coupled to the rotating-shaft member and including a cleaning member coupling configured to be detachably coupled to a plurality of cleaning members. The motor, rotating-shaft member, and the...