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US Patent: 2,223,041
Boring Head
Patentee: Thomas Maxwell (exact or similar names) - Pittsburgh, Allegheny County, PA USPTO Classifications: 408/154, 408/157, 408/159 Tool Categories: metalworking machines : drilling and boring : boring heads Assignees: Westinghouse Electric & Mfg. Co. - Wilmerding, Allegheny County, PA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Dec. 29, 1937 Granted: Nov. 26, 1940 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Westinghouse Electric & Manufacturing Co.

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