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US Patent: 1,975,947
Machine Tool
Patentees: Herman R. Isler (exact or similar names) - Cincinnati, Hamilton County, OH Sol Einstein (exact or similar names) - Cincinnati, Hamilton County, OH USPTO Classifications: 409/219, 451/222, 451/363, 451/394, 82/17 Tool Categories: metalworking machines : grinders : tool grinders Assignees: Cincinnati Milling Machine Co. - Cincinnati, Hamilton County, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Sep. 28, 1929 Granted: Oct. 09, 1934 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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