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US Patent: 5,671,541
Accuracy Verification Devices for Coordinate Measuring Machines
Patentees: YuZhong Dai (exact or similar names) - Coventry, Kent County, RI Thomas Charlton, Jr. (exact or similar names) - North Kingstown, Washington County, RI USPTO Classifications: 33/502, 33/567 Tool Categories: metalworking tools : machinist tools : measuring tools : coordinate measuring machines Assignees: Brown & Sharpe Mfg. Co. - Providence, Providence County, RI Manufacturer: Brown & Sharpe Mfg. Co. - Providence, Providence County, RI Witnesses: Unknown	Patent Dates: Applied: Sep. 01, 1995 Granted: Sep. 30, 1997 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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