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US Patent: 796,612
Screw Gage
Patentee: Frank Spalding (exact or similar names) - Providence, Providence County, RI USPTO Classifications: 33/199R Tool Categories: metalworking tools : machinist tools : measuring tools : thread gages Assignees: Brown & Sharpe Mfg. Co. - Providence, Providence County, RI Manufacturer: Not known to have been produced Witnesses: Ada E. Hagerty J. A. Miller, Jr.	Patent Dates: Applied: Dec. 01, 1904 Granted: Aug. 08, 1905 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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