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US Patent: 1,553,875
Micrometer Caliper
Patentee: John W. Parker (exact or similar names) - Barrington, RI USPTO Classifications: 33/828 Tool Categories: metalworking tools : machinist tools : measuring tools : micrometers Assignees: Brown & Sharpe Mfg. Co. - Providence, RI Manufacturer: Not known to have been produced Witnesses: none listed	Patent Dates: Applied: Jun. 20, 1924 Granted: Sep. 15, 1925 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 - patent attorney

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