Click Here to Continue Viewing Current Query Results or Home to Start a New Query. Description: Auto-Keen Sharpener - Holder Style A, Van Trade Mark Manufacturer: Hone-American Hone Company, Olean, NY; Sharpener-L. A. Carpenter, OAMB, Mass Type: Handle-like Ingersoll Country: USA Patent: 4/8/1913 Comment: Style A for Gillette and Durham Duplex. Style B for all other blades Source: twillard Editors: