Click Here to Continue Viewing Current Query Results or Home to Start a New Query. Description: Simplex Military, Double edge, black plastic inside plastic case inside cardboard box Manufacturer: Federal Razor Blade Co., New York, N.Y. Type: Double-Edge Country: USA Patent: Comment: One plastic case with "Simplex Military" on inside lid, the other with "Simplex Military" on outside lid Source: razorcamel Editors: