ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,715, issued on Oct. 21, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).
"Washing machine and controlling method for the same" was invented by Wonjae Han (Suwon-si, South Korea), Jeonggi Hong (Suwon-si, South Korea), Sungjong Kim (Suwon-si, South Korea), Hooijoong Kim (Suwon-si, South Korea), Sukwoo Park (Suwon-si, South Korea), Jaepoong Lee (Suwon-si, South Korea) and Sooyeon Jin (Suwon-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A washing machine for controlling optimal operating revolutions per minute (rpm) of a drain pump in a draining course and a dehydrating course includes a washing tub; a drain pump co...