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US Patent: 2,412,937
Boring head
Patentee: Edward A. Allen (exact or similar names) - Westfield, MA USPTO Classifications: 408/181, 408/200, 408/58 Tool Categories: metalworking machines : drilling and boring : boring heads Assignees: Van Norman Co. - Springfield, MA Manufacturer: Van Norman Co. - Springfield, MA Witnesses: Unknown	Patent Dates: Applied: Jun. 30, 1944 Granted: Dec. 24, 1946 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Van Norman Machine Tool Co.

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