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US Patent: 1,739,764
Machine Tool
Patentee: Maxwell Ingraham Mathewson (exact or similar names) - Providence, Providence County, RI USPTO Classifications: 451/103, 451/393, 74/27 Tool Categories: metalworking machines : grinders : surface grinders Assignees: Brown & Sharpe Mfg. Co. - Providence, Providence County, RI Manufacturer: Brown & Sharpe Mfg. Co. - Providence, Providence County, RI Witnesses: Unknown	Patent Dates: Applied: Jan. 11, 1928 Granted: Dec. 17, 1929 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens Vintage Machinery entry for Brown & Sharpe Mfg. Co.

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