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US Patent: 3,217,569
Metal cutting tool
Patentee: Allen N. Sweeny (exact or similar names) - Grosse Pointe, MI USPTO Classifications: 408/153 Tool Categories: metalworking tools : boring bars Assignees: DeVlieg Machine Co. - Royal Oak, MI Manufacturer: DeVlieg Machine Co. - Royal Oak, MI Witnesses: Unknown	Patent Dates: Applied: May 07, 1963 Granted: Nov. 16, 1965 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for DeVlieg Machine Co.

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