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US Patent: 2,503,674
Grinding machine drive
Patentee: Thor H. Ljunggren (exact or similar names) - Charlestown, NH USPTO Classifications: 451/143, 74/27 Tool Categories: metalworking machines : grinders Assignees: Bryant Chucking Grinder Co. - Springfield, VT Manufacturer: Bryant Chucking Grinder Co. - Springfield, VT Witnesses: Unknown	Patent Dates: Applied: Apr. 27, 1944 Granted: Apr. 11, 1950 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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