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.
Death of a Salesman (1951 film) to lose his grip on reality and slips between the past and the present, frantically trying to find where he went wrong. The cast consisted mainly of the Broadway cast, with the addition of Kevin McCarthy from the original London Cast. However, Fredric March replaced Broadway actor Lee J. Cobb after concerns arose over Cobb's alleged past with leftist politics. Just before the film was about to come out, Arthur Miller threatened to sue Columbia Studios over the short which was to appear before "Death of a Salesman". This short film, "Career of a Salesman", showed what the producers believed