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US Patent: 2,534,941
Method and apparatus for grinding
Patentee: William G. Baldenhofer (exact or similar names) - Springfield, OH USPTO Classifications: 125/11.03, 29/DIG.091, 451/231, 451/28 Tool Categories: metalworking machines : grinders : profile and contour grinders Assignees: Thompson Grinder Co. - Springfield, OH Manufacturer: Thompson Grinder Co. - Springfield, OH Witnesses: Unknown	Patent Dates: Applied: Jan. 16, 1948 Granted: Dec. 19, 1950 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Thompson Grinder Co.
Description: This machine can grind workpieces with short, deep recesses to be ground.

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