US Patent Issued to Black & Decker on Dec. 2 for "Spade drill bits" (Brazilian Inventors)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,494, issued on Dec. 2, was assigned to Black & Decker Inc. (New Britain, Conn.).

"Spade drill bits" was invented by Paulo Sergio Dos Santos Pelentir (Caxias do Sol, Brazil) and Ricardo Casagranda Dendena (Garibaldi, Brazil).

According to the abstract* released by the U.S. Patent & Trademark Office: "A spade drill bit includes a shank extending along an axis from a rear end to a front end, the rear end configured to be coupled to a tool holder of a power tool, a blade including a paddle extending along the axis with a front portion and rear portion coupled to the front end of the shank, and a tip coupled to the front portion of the paddle. First and second primary cutting edges are...