ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,202, issued on Oct. 14, was assigned to MILWAUKEE ELECTRIC TOOL Corp. (Brookfield, Wis.).
"Concrete trowel" was invented by Ian C. Richards (Shorewood, Wis.) and Will Didier (Cedarburg, Wis.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A concrete trowel includes a frame, a drive assembly including an electric motor mounted on the frame having an output shaft extending from the motor defining a drive axis, a guide handle extending from the frame for controlling the trowel, a battery pack for supplying electrical power to the motor, and a rotor including a plurality of blades, the rotor rotatably coupled to the drive assembly for rotating about a ro...