Click Here to Continue Viewing Current Query Results or Home to Start a New Query. Description: Du-Al Razor Sharpener Manufacturer: The DU-AL Company, 508 So. Dearborn St., Chicago, IL and A. G. Braun, 10417 Quito Lane. Beverly Glen. Blvd., Los Angeles, CA Type: Other Country: USA Patent: US - 1027045(5/21/1912), 1132079(3/16/1915) Comment: Source: twillard Editors: