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US Patent: 1,461,005
Micrometer Caliper
Patentee: John W. Parker (exact or similar names) - Barrington, Bristol County, RI USPTO Classifications: 33/816 Tool Categories: metalworking tools : machinist tools : measuring tools : micrometers Assignees: Brown & Sharpe Mfg. Co. - Providence, Providence County, RI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 15, 1922 Granted: Jul. 03, 1923 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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