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US Patent: 342,290
Machine for Grinding Mowing Machine Knives
Patentee: Rufus Dutton (exact or similar names) - Yonkers, Westchester County, NY USPTO Classifications: 29/DIG.65, 451/122, 451/225, 451/372, 451/419, 451/450, 451/548 Tool Categories: agricultural : sharpeners metalworking machines : grinders : sharpening machines Assignees: Mower Knife Grinder Co. - New York, NY Manufacturer: R. H. Allen Co. - New York, NY Witnesses: Philp F. Larner Howell Bartle	Patent Dates: Applied: Jun. 01, 1885 Granted: May 18, 1886 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for R. H. Allen Co.

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