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US Patent: 1,444,100
Lawn-mower-sharpening machine
Patentee: Frank H. Bierman (exact or similar names) - Minneapolis, MN USPTO Classifications: 451/114, 56/250 Tool Categories: metalworking machines : grinders : sharpening machines household : lawn mowers Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Feb. 20, 1922 Granted: Feb. 06, 1923 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin
Description: See patent 1,866,794 for improvements to this reel-mower sharpener.

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