ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,522, issued on March 31, was assigned to EGUN Co. LTD. (Gwangju-si, South Korea).
"Floor cutting machine" was invented by Sung Jun Lee (Gwangju-si, South Korea) and Chae Mun Lee (Seongnam-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A floor cutting machine according to the present invention can comprise: a main frame for supporting equipment required for cutting a floor; a plurality of front wheels positioned at the front of the main frame when the proceeding direction of the floor cutting machine is the front and the opposite direction thereof is the rear; at least one rear wheel positioned at the rear of the main frame; a cuttin...