ALEXANDRIA, Va., April 9 -- United States Patent no. 12,269,142, issued on April 8, was assigned to ETABLISSEMENTS GEORGES RENAULT (Saint Herblain, France).
"Grinding or disc cutting-type hand-held tool" was invented by Peter Kovacs (Nantes, France) and Vincent Arnaud (Mouzillon, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A grinding or disc cutting-type hand-held tool including: a casing housing a motor and an output shaft rotated by the motor along an axis of rotation. The output shaft is capable of rotating: a first type of accessory having a threaded central opening; and a second type of accessory having a smooth central opening. The output shaft has: an end portion supporting a first connectio...