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US Patent: 729,970
Micrometer Calipers
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: Ada E. Hagerty B. S. Webster Joseph A. Miller, Jr.	Patent Dates: Applied: Jun. 24, 1902 Granted: Jun. 02, 1903 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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