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US Patent: 2,635,395
Machine for grinding internal surfaces concentric with external surfaces
Patentees: Merton H. Arms (exact or similar names) - Springfield, VT Paul A. Grobey (exact or similar names) - Springfield, VT USPTO Classifications: 451/244, 451/331, 451/397, 82/125 Tool Categories: metalworking machines : grinders Assignees: Bryant Chucking Grinder Co. - Springfield, VT Manufacturer: Bryant Chucking Grinder Co. - Springfield, VT Witnesses: Unknown	Patent Dates: Applied: May 19, 1951 Granted: Apr. 21, 1953 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Bryant Chucking Grinder Co.

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