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US Patent: 645,838
Micrometer Gage
Patentee: Frank Spalding (exact or similar names) - Providence, RI USPTO Classifications: 33/817 Tool Categories: metalworking tools : machinist tools : measuring tools : micrometers Assignees: Brown & Sharpe Mfg. Co. - Providence, RI Manufacturer: Not known to have been produced Witnesses: B. M. Simms Charles H. Luther, Jr. Joseph A. Miller, Jr.	Patent Dates: Applied: Mar. 16, 1899 Granted: Mar. 20, 1900 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.
Description: Joseph A. Miller & Co. - patent attorneys

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