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US Patent: 359,964
Machine for grinding mower-knives
Patentee: Rufus Dutton (exact or similar names) - Yonkers, NY USPTO Classifications: 29/DIG.065, 451/122, 451/372, 451/380, 451/450, 451/451, 451/548 Tool Categories: agricultural : sharpeners metalworking machines : grinders : sharpening machines Assignees: Mower Knife Grinder Co. - New York, NY Manufacturer: Not known to have been produced Witnesses: C. H. Pinnhour, Jr. W. N. Gay	Patent Dates: Applied: Oct. 14, 1886 Granted: Mar. 22, 1887 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin
Description: Improvements to patent 342,290.

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