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
Henry Jacques Gaisman he invented the glass-enclosed bulletin boards commonly used in hotel lobbies. He then worked briefly as a leather worker, then a leather dealer, and in 1894 moved to New York City where he sold his first financially successful invention, a belt that wouldn't slip. Later, he invented the safety razor, an invention which would allow him to develop into a wealthy businessman despite never completing his formal education. His safety razor was patented in May and July 1904, and was initially sold by the Auto Strop Safety Razor Company, a competitor to razor and blade manufacturer Gillette Razor Corporation, run