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US Patent: 472,865
Machine for sharpening saws
Patentee: Francis James Drake (exact or similar names) - Belleville, ON Canada USPTO Classifications: 76/40, 76/77, 76/79 Tool Categories: metalworking machines : grinders : sharpening machines : saw sharpening machines Assignees: None Manufacturer: Not known to have been produced Witnesses: Charles Will Craig Herbert Clement Philpott	Patent Dates: Applied: Nov. 05, 1891 Granted: Apr. 12, 1892 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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