Click Here to Continue Viewing Current Query Results or Home to Start a New Query. Description: Two single-edge blades, has an inverted U-shaped guard transversely slitted at its upper portion which bridges the space between the blades at their c Manufacturer: Twin Blade Safety Razor Company, Providence, RI Type: Other Country: USA Patent: No.862480, August 6, 1907 Comment: Source: banjophd Editors: