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US Patent: 290,619
Combined knife-brick box and grinder
Patentee: John F. Wood (exact or similar names) - Boston, MA USPTO Classifications: 125/3 Tool Categories: Assignees: None Manufacturer: Union Stone Co. - Boston, MA Witnesses: Frank Murphy John B. Tivnan	Patent Dates: Applied: Oct. 15, 1883 Granted: Dec. 18, 1883 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Union Stone Co.

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