US Patent Issued to Federal Cartridge on March 25 for "Handgun cartridge with shear groove bullet" (Minnesota, Idaho Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,225, issued on March 25, was assigned to Federal Cartridge Co. (Anoka, Minn.).

"Handgun cartridge with shear groove bullet" was invented by Frederick Frees (Lewiston, Idaho), Richard D. Hurt (Clear Lake, Minn.), David M. Laska (Andover, Minn.), Lawrence P. Head (Cambridge, Minn.) and Shawn D. Fitzsimonds (St. Francis, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rimless cartridge comprising a case and a bullet mounted therein. In embodiments, the bullet comprises a jacket having a cylindrical body portion, an ogive portion, and a plurality of longitudinally extending paths of weakness formed in the ogive portion and defining petals there ...