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US Patent: D137,121
Design for a grinding machine
Patentee: John C. Wilson (exact or similar names) - Springfield, OH USPTO Classifications: D15/124 Tool Categories: metalworking machines : grinding machines Assignees: Thompson Grinder Co. - Springfield, OH Manufacturer: Thompson Grinder Co. - Springfield, OH Witnesses: Unknown	Patent Dates: Applied: May 18, 1942 Granted: Jan. 25, 1944 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Thompson Grinder Co.

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