ALEXANDRIA, Va., March 26 -- United States Patent no. 12,256,655, issued on March 25, was assigned to LS MTRON LTD. (Anyang-si, South Korea).
"Hydraulic steering device for agricultural work vehicle" was invented by Sang Heon Lee (Anyang-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a hydraulic steering device for an agricultural work vehicle comprising a steering pump for supplying working fluid; an automatic steering unit which is connected to the steering pump, and which changes, according to automatic steering performed by a control part, the traveling direction of the agricultural work vehicle by using the working fluid supplied from the steering pump; ...