US Patent Issued to MILWAUKEE ELECTRIC TOOL on June 2 for "Step drill bit" (Illinois, Colorado, Wisconsin, Missouri Inventors)

ALEXANDRIA, Va., June 2 -- United States Patent no. 12,643,160, issued on June 2, was assigned to MILWAUKEE ELECTRIC TOOL Corp. (Brookfield, Wis.).

"Step drill bit" was invented by Brett A. Parendo (Arvada, Colo.), Richard Hohnl Jr. (Racine, Wis.), David Hlavac (Colgate, Wis.), Alexander R. Greenhill (St. Louis), Ingolfur Ludviksson (Wauwatosa, Wis.), Max R. Sawa (Palatine, Ill.) and James E. Pangerc (Pewaukee, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A step drill bit includes a shank and a body that defines a plurality of axially stacked, progressively sized steps including a first step, a terminal step, and a plurality of intermediate steps having incrementally increasing diameters disposed betw...