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US Patent: 1,770,046
Apparatus for Measuring the Hardness of Materials
Patentee: Albert F. Shore (exact or similar names) - New York, 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: none listed	Patent Dates: Applied: Apr. 04, 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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