ALEXANDRIA, Va., March 3 -- United States Patent no. 12,564,889, issued on March 3, was assigned to 9492-3521 Inc. (Montreal).
"Cutting accessory for a drill" was invented by Marco Carbone (Montreal).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sawing accessory for a drill, which includes a cutting member that is connected to the drill for axial rotation about an axis of rotation. The cutting member has a plate and two or more blades connected to the plate. The blades depend from the plate. The blades are curved inwardly towards the axis of rotation. A spring arrangement interconnects the blades and is connected to the cutting member. The cutting member is configured such that a rotational cutting force w...