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US Patent: 254,869
Saw-sharpening machine
Patentee: William H. Halladay (exact or similar names) - Chicago, IL USPTO Classifications: 76/40, 76/77 Tool Categories: metalworking machines : grinders : sharpening machines : saw sharpening machines Assignees: Englebert Fischer - Chicago, IL Jasper E. Mallery - Chicago, IL Edwin Benjamin - Chicago, IL William H. Halladay - Chicago, IL Manufacturer: Halladay, Litchfield & Co. - Chicago, IL William H. Halladay Mfg. Co. - Chicago, IL Witnesses: Adolf Heile G. L. Chapin	Patent Dates: Applied: May 23, 1881 Granted: Mar. 14, 1882 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Halladay, Litchfield & Co.
Description: The inventor, William H. Halliday, was co-assigned a W. L. Hanchett patent, RE10,252.

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