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US Patent: 2,207,861
Boring bar guiding mechanism
Patentee: Francis P. Healy (exact or similar names) - Springfield, MA USPTO Classifications: 408/83 Tool Categories: metalworking tools : boring bars Assignees: Van Norman Machine Tool Co. - Springfield, MA Manufacturer: Van Norman Machine Tool Co. - Springfield, MA Witnesses: Unknown	Patent Dates: Applied: Jul. 22, 1938 Granted: Jul. 16, 1940 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Van Norman Machine Tool Co.

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