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US Patent: 2,136,491
Metalworking Machine
Patentee: Elton S. Cornell (exact or similar names) - East Providence, Providence County, RI USPTO Classifications: 451/216, 451/394, 451/396, 82/142 Tool Categories: metalworking machines : grinders : surface grinders Assignees: Abrasive Machine Tool Co. - East Providence, Providence County, RI Manufacturer: Not known to have been produced Witnesses: none listed	Patent Dates: Applied: Jan. 11, 1937 Granted: Nov. 15, 1938 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Abrasive Machine Tool Co.

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