Safety razor the razor to sever the hair without danger of cutting the skin." The Kampfe Brothers produced razors under their own name following the 1880 patent and improved the design in a series of subsequent patents. These models were manufactured under the "Star Safety Razor" brand. A third pivotal innovation was a safety razor using a disposable double-edge blade that King Camp Gillette submitted a patent application for in 1901 and was granted in 1904. The success of Gillette's invention was largely a result of his having been awarded a contract to supply the American troops in World War I with
American Safety Razor Company in a management buyout. Energizer bought the privately held American Safety Razor in 2011, when it filed for bankruptcy. In 2015, Energizer spun off the personal care division as Edgewell Personal Care. Edgewell announced the sale of its Personna Industrial Division to an investment group, which renamed it AccuTec Blades. American Safety Razor Company "For the company of the same name that was founded in 1901 and renamed as the Gillette Safety Razor Company, see Gillette (brand)" American Safety Razor Company is a personal care brand founded in the early 20th century (1906) by a merging of the Gem Cutlery