ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,574, issued on Sept. 9, was assigned to Edgewell Personal Care Brands LLC (Chesterfield, Mo.).
"Razor cartridge" was invented by Alan Blatter (Sandy Hook, Conn.), James Chasen (West Haven, Conn.) and Christopher Fernald (Fairfield, Conn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A razor cartridge has a housing with a blade mounting region between a guard and a cap. A first, second and third razor blade are sequentially mounted in the blade mounting region. An over-guard is secured over the blades. The cutting edges of the blades have an as-defined increased sharpness. The blades are mounted at a reduced angle between each blade portion bearing...