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US Patent: 2,308,531
Machine Tool
Patentee: Maxwell Ingraham Mathewson (exact or similar names) - Providence, Providence County, RI USPTO Classifications: 125/11.01, 451/223, 451/398, 82/148 Tool Categories: Assignees: Brown & Sharpe Mfg. Co. - Providence, Providence County, RI Manufacturer: Brown & Sharpe Mfg. Co. - Providence, Providence County, RI Witnesses: Unknown	Patent Dates: Applied: Aug. 03, 1940 Granted: Jan. 19, 1943 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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