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US Patent: 2,370,041
Machine tool External grinder
Patentee: John Jesionowski (exact or similar names) - Hartford, CT USPTO Classifications: 451/223, 451/413 Tool Categories: metalworking machines : grinders Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Sep. 10, 1942 Granted: Feb. 20, 1945 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Ideal Tool & Die Co.

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