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US Patent: 648,648
Mower-knife grinder
Patentee: Harding Allen (exact or similar names) - Barre, MA USPTO Classifications: 451/231 Tool Categories: Assignees: None Manufacturer: Chas. G. Allen Co. - Barre, MA Witnesses: Frederick B. Marlow Philip W. Southgate	Patent Dates: Applied: Aug. 15, 1898 Granted: May 01, 1900 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Chas. G. Allen Co.

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