ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,766,691, issued on Oct. 20, was assigned to MAKITA Corp. (Anjo, Japan).

"Power tool" was invented by Shizuki Okajima (Anjo, Japan) and Takao Kuroyanagi (Anjo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power tool (1) includes: a motor (6) having a stator (61) and a rotor (62); an output part (8) disposed forward of the motor; a speed-reducing mechanism (30) having three or more variable-speed stages, which transmits rotational energy from the rotor to the output part; a gear-shifting manipulation part (12), which is movable within a movable range that includes three or more speed positions for the respective three or more variable-speed stag...