Timeline of United States inventions (1890–1945) installing driven conveyor belts that could produce a Model T in ninety-three minutes. 1901 Safety razor (disposable) A safety razor protects the skin from all but the edge of the blade while shaving skin. King Camp Gillette, a traveling hardware salesman of Fond du Lac, Wisconsin invented the double-edged, disposable safety razor attached to a re-usable razor handle. Beforehand, dull razors were taken to barbers for sharpening. With Gillette's double-edged and disposable blades, a uniform shave on a man's face could be achieved with a fresh blade and disposed after it was used. Gillette applied for a patent in 1901.
Electric razor cord to drive a flywheel. Electric shavers fall into two main categories: foil or rotary-style. Users tend to prefer one or the other. Most rotary-style shavers are cordless—they are charged up with a plug charger or they are placed within a cleaning and charging unit. The first person to receive a patent for a razor powered by electricity was John F. O'Rouke with his US patent 616554 filed in 1898. Others followed suit, such as the American manufacturer Col. Jacob Schick who patented their first electric razor in 1930. The Remington Rand Corporation developed the electric razor further, first producing