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US Patent: 2,950,581
Gaging Device
Patentee: Greig S. Butterworth (exact or similar names) - Columbus, Franklin County, OH USPTO Classifications: 451/1, 451/22, 451/242 Tool Categories: metalworking tools : machinist tools : electronic gauges Assignees: Cincinnati Milling Machine Co. - Cincinnati, Hamilton County, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 30, 1959 Granted: Aug. 30, 1960 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Cincinnati Milling Machine Co.

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