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US Patent: 2,595,591
Apparatus for Grinding Helical Gears
Patentee: Floryan Lohutko (exact or similar names) - Detroit, Wayne County, MI USPTO Classifications: 125/11.03, 451/219, 475/15, 475/17 Tool Categories: metalworking machines : gear making machines metalworking machines : grinders Assignees: Thompson Grinder Co. - Springfield, Clark County, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Dec. 14, 1948 Granted: May 06, 1952 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Thompson Grinder Co.

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