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US Patent: 381,775
Saw-sharpening machine
Patentee: William H. Halladay (exact or similar names) - Chicago, IL USPTO Classifications: 76/40, 76/77, 76/79 Tool Categories: metalworking machines : grinders : sharpening machines : saw sharpening machines Assignees: William H. Halladay Mfg. Co. - Chicago, IL Manufacturer: Not known to have been produced Witnesses: Charles S. Burton Francis W. Parker	Patent Dates: Applied: Feb. 07, 1887 Granted: Apr. 24, 1888 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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