Click Here to Continue Viewing Current Query Results or Home to Start a New Query. Description: Du-Al with lugs for Auto Strop Manufacturer: The DU-AL Company, 508 So. Dearborn St., Chicago, IL and A. G. Braun, 10417 Quito Lane. Beverly Glen. Blvd., Los Angeles, CA. Represented by Gustaf H. Ander, Box 81 Gr. Centr. P.O. Sta. New York City. Type: Rollers-1 Country: USA Patent: US - 1027045(5/21/1912), 1132079(3/16/1915) Comment: This model is a variation of Du-AL 1 and has special lugs to back the Auto Strop blade. Also, the case has an important notice on the inside cover, which is a variation from the other cases. Source: twillard Editors: