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US Patent: 2,849,902
Presetting boring bar and tool holder
Patentees: Allen N. Sweeny (exact or similar names) - Grosse Point Farms, Wayne County, MI Charles B. De Vlieg (exact or similar names) - Detroit, Wayne County, MI USPTO Classifications: 279/105.1, 279/156, 408/116, 408/181 Tool Categories: metalworking machines : drilling and boring : facing heads Assignees: De Vlieg Machine Co. - Detroit, Wayne County, MI Manufacturer: DeVlieg Machine Co. - Royal Oak, Oakland County, MI Witnesses: Unknown	Patent Dates: Applied: Nov. 18, 1955 Granted: Sep. 02, 1958 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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