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US Patent: 930,178
Saw-sharpening machine
Patentee: John Patrick Hedstrom (exact or similar names) - Chicago, IL USPTO Classifications: 76/41, 76/77 Tool Categories: metalworking machines : grinders : sharpening machines : saw sharpening machines Assignees: Hanchett Swage Works - Big Rapids, MI Manufacturer: Hanchett Swage Works - Big Rapids, MI Witnesses: Frank G. Westlund Nels. Johnson	Patent Dates: Applied: Jan. 09, 1905 Granted: Aug. 03, 1909 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Hanchett Swage Works

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