ALEXANDRIA, Va., June 5 -- United States Patent no. 12,274,201, issued on April 15, was assigned to Milwaukee Electric Tool Corp. (Brookfield, Wis.).
"String trimmer" was invented by Hugh A. Dales (Germantown, Wis.) and Mitchell E. Carpenter (Milwaukee).
According to the abstract* released by the U.S. Patent & Trademark Office: "A string trimmer includes a handle unit including a handle unit housing that defines a grip portion and a battery receptacle. The string trimmer also includes a head unit including a head unit housing, an electric motor, and a rotatable trimmer head. The string trimmer further includes a shaft assembly coupling the handle unit to the head unit. The string trimmer also includes a circuit board assembly supported wi...