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US Patent: 1,770,045
Apparatus for Measuring the Hardness of Materials
Patentees: Albert F. Shore (exact or similar names) - New York, NY Charles P. Shore (exact or similar names) - Hicksville, Nassau County, NY USPTO Classifications: 73/81 Tool Categories: metalworking tools : machinist tools : measuring tools : metal hardness testers Assignees: Shore Instrument Mfg. Co. - Jamaica, Queens County, NY Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 16, 1925 Granted: Jul. 08, 1930 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Shore Instrument & Manufacturing Co.

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