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US Patent: 572,934
Die Head for Screw Cutting
Patentee: William J. Smith (exact or similar names) - New Haven, New Haven County, CT USPTO Classifications: 279/71, 408/73, 470/75 Tool Categories: metalworking tools : tap and die holders Assignees: Geometric Drill Co. - New Haven, New Haven County, CT Manufacturer: Geometric Drill Co. - New Haven, New Haven County, CT Witnesses: L. A. Babcock George F. Newcomb John G. Hinkel M. A. Kelly	Patent Dates: Applied: Aug. 31, 1896 Granted: Dec. 08, 1896 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Geometric Tool Co.

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