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US Patent: 487,328
Tool-Sharpener
Patentee: Edward Houlbrook (exact or similar names) - Rossall, Hendon England USPTO Classifications: 451/164 Tool Categories: metalworking machines : grinders : sharpening machines Assignees: None Manufacturer: Not known to have been produced Witnesses: G. F. Redfern John E. Bousfield	Patent Dates: Applied: May 20, 1892 Granted: Dec. 06, 1892 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin (dm)

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