Safety razor the rectangular dimensions shared by the wedge, standard single-edge, and double-edge blades. The injector, itself, was also the first device intended to reduce the risk of injury from handling blades. The Gillette blade dispenser released in 1947 had the same purpose. The narrow injector blade, as well as the form of the injector razor, also strongly influenced the corresponding details of the subsequently developed cartridge razors. Both injector blades and injector safety razors are still available on the market, from antique stock as well as modern manufacture. The injector blades have also inspired a variety of specialised blades for professional
American Safety Razor Company and blade production remained in Brooklyn. By 1921, it had produced 1,800,000 safety razors; 110,000,000 razor blades; 1,000,000 shaving brushes; 2,000,000 cakes of shaving soap. By 1942, it had introduced and popularized the phrase "five o'clock shadow". In 1953, it acquired the Pal, Treet and Personna brands after purchasing the Pal Blade Company. These two product names continue to be made today. In 1954 the factory relocated to Staunton, Virginia, after the Brooklyn City Planning Commission's planned civic center encroached on the factory with plans to redevelop the industrial area into office and residential use. The American Safety Razor factory