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US Patent: 654,215
Sharpening Machine
Patentees: Charles A. Worden, deceased (Estate of) (exact or similar names) - Denver, Arapahoe County, CO Mary L. Worden, Administratrix (exact or similar names) - Denver, Arapahoe County, CO USPTO Classifications: 29/DIG.70, 451/194, 451/450 Tool Categories: metalworking machines : grinders : sharpening machines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Dec. 18, 1899 Granted: Jul. 24, 1900 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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