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US Patent: 555,567
Saw Sharperer
Patentee: Charles H. Douglas (exact or similar names) - Chicago, Cook County, IL USPTO Classifications: 76/44 Tool Categories: tool making : making sawblades : saw gummers Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 16, 1895 Granted: Mar. 03, 1896 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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