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US Patent: 245,741
Machine for Twisting Drill Blanks
Patentees: Parshall D. Nicols (exact or similar names) - Sewickley, Allegheny County, PA Theodore W. Webb (exact or similar names) - Pittsburg, Allegheny County, PA USPTO Classifications: 72/182, 72/237, 72/65, 72/95 Tool Categories: tool making : making drills and augers Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Feb. 28, 1881 Granted: Aug. 16, 1881 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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