ALEXANDRIA, Va., May 12 -- United States Patent no. 12,623,336, issued on May 12, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).

"Wheel device and mobile robot device comprising same" was invented by Kyunglyong Han (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wheel device includes: a plurality of wing members configured to rotate around a central axis, wherein each wing member of the plurality of wing members may include an outer circumferential surface and each wing member of the plurality of wing members is configured to be movable to a first position in which the respective outer circumferential surfaces combine to form a circle, and to a second position i...